P字彙

P & W key（Pratt and Whitney key）
pack hardening
packing
pad
pan head
panel layout diagram
pantograph
paraboloid
paralled plane method
parallelism
parallelopiped
parting line
partition wall
paste board
patch bolt
patchy
patent [office] drawing
path
PATT（pattern）
PCD（pitch circle diameter）
PCS（pcs, pieces）
PC（pitch circle）
PDP（profile datum plane）
PD（pitch diameter）
peaks and valleys
peen
penciling
penetrated body
penholder
penknife
pens of reservoir type
penwiper
PERF（perforate）
perimeter
period
peripheral weld
periphery
permanent mold
perpendicularity
PERP（perpendicular）
PE（polyethelyne）
PF（profile）
PH BRZ（phosphor bronze）
photocopy print
photocopying
photogrammetric map
photostat print
phototransistor
pie chart
piece number
pier
pile arrangement drawing
pinion
Pittsburgh corner lock
pivot
placement of dimensions
planer
planimeter
planish
planisphere
plant layout
plat of mineral claims
plat（land map）
pliability
plinth
plot plan
plotted intersection
plotter
plumb [bob] line
plus
pl（plate）
pocketknife
pointed arch
pointing
polyethelyne（PE）
polygon
polygonal column
polyhedron
polyvinyl chloride（PVC）
pond
popular chart
porcelain
portable drawing board
portion of view
potentiometer
pounce
pound mark
Pratt-Whitney key
precedence of lines
preprinted grid sheet
press fit
pricking
print paper
printed circuit
prism
process drawing
profilagraph
profiling
profilometer
progressive dimensioning
projcet
projective geometry
projector
prolate spheroid
proofreading
proper fraction
property line
prototype
prototypes & design detailing
protractor
PT（part）
pump compass
pumpkin-seed form
punch mark
punctuation mark
purlin
PVC（polyvinyl chloride）
pyramid
P（p, pitch）

paper
paper size
paper texture

parabola
parabola segment
parabola spandrel
parabola template

parabolic envelope
parabolic spiral

parallel
parallel circuit
parallel compass
parallel dimension
parallel dimensioning
parallel edges
parallel lines
parallel oblique lines
parallel perspective
parallel planes
parallel projection
parallel rays
parallel ruling straightedge
parallel thread

parallelogram
parallelogram method

parenthesis
parenthesis mark

part assembly drawing
part drawing
part number
part section
part view

partial assembly
partial auxiliary elevation
partial view

parts
parts designation system
parts list
parts placement layout drawing

pattern
pattern drawing
pattern of holes
pattern shop

pen
pen attachment
pen cleaner
pen handle
pen leg of compass
pen nib
pen point

pencil
pencil attachment
pencil cloth
pencil compass
pencil drawing
pencil lead
pencil leg of compass
pencil line
pencil mark
pencil point of compass
pencil pointer
pencil sharpener
pencil tracing

pentagon
pentagon prism

percentage decrease
percentage increase

perfect form
perfect thread

permissible error
permissible variation

perpendicular
perpendicular bisector
perpendicular head
perpendicular leg
perpendicular line

perspective
perspective drawing
perspective plan method
perspective projection
perspective representation

phantom drawing
phantom letter
phantom line
phantom section

photo printing
photo-drawing
photo-lithography

pictorial chart
pictorial descrition
pictorial diagram
pictorial drawing
pictorial effect
pictorial illustration
pictorial map
pictorial method
pictorial projection
pictorial representation
pictorial sketch
pictorial view

picture
picture plane

piercing point
piercing point method

pin and string method
pin key

pipe
pipe accessories
pipe bracket
pipe clamp
pipe drawing
pipe fastening-ring
pipe fittings
pipe hanger
pipe joint
pipe line
pipe organ chart
pipe roller
pipe seat
pipe section
pipe support
pipe system
pipe thread
pipe work diagram
pipe-line drawing

piping
piping diagram
piping plan

pitch
pitch cone
pitch cone angle
pitch cylinder
pitch diameter
pitch diameter tolerance
pitch diameter tolerance symbol
pitch line
pitch of increments
pitch spacing
pitch surface
pitch throat diameter

plain bearing surface
plain paper
plain point of pencil
plain round hole
plain triangle
plain washer

plan
plan view

plane
plane angle
plane coordinates
plane curve
plane directing surface
plane director
plane face
plane figure
plane geometry
plane of projection
plane of symmetry
plane of tangency
plane projector
plane section
plane solid
plane surface
plane trace
plane-coordinate system

planning chart
planning drawing

plastics
plastics material
plastics pipe
plastics-faced drawing board

plate cam
plate circuit

plotting
plotting paper
plotting scale

plug
plug gage
plug tap
plug valve
plug weld

plumbing
plumbing template

point
point directrix
point of change in direction
point of contact
point of inflection
point of intersection
point of piercing
point of sight
point of tangency
point of view
point view
point welding
point-to-point distance

polar axis
polar chart
polar circle
polar coordinate paper
polar coordinater
polar curve
polar diagram
polar distance
polar line
polar projection

polytropic curve
polytropic line

position
position coordinates
position dimension
position tolerance

positional dimension
positional tolerance

positioning
positioning dimension
positioning the paper

positive allowance
positive section
positive value

power
power equation
power hammer
power panel
power screw driver
power spring

precision
precision level
precision running fit
precision straight edge

preliminary design drawing
preliminary drawing
preliminary threeview drawing

presentation
presentation drawing

primary auxiliary view
primary chart
primary datum
primary ground line

principal curve
principal line
principal line method
principal meridian
principal plane [of projection]
principal point
principal section
principal view

printing
printing frame
printing machine
printing paper

production drawing
production drawing for casting
production drawing for forging
production method
production process

profile
profile coordinate plane
profile datum plane（PDP）
profile line
profile of any line
profile of any surface
profile of water table
profile plane
profile plane of projection
profile projecting plane
profile projection
profile projection methold
profile shaft
profile tolerance
profile trace

projected area
projected tolerance zone

projecting line
projecting plane

projection
projection drawing
projection error
projection line
projection method A
projection method E
projection weld

proportional compass
proportional divider
proportional method
proportional scale

pseudo conic surface
pseudo cylindrical surface
pseudo-pictorial representation

push button top
push button [switch]
push fit

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