u

U bend - U形彎管；U形管

U boat - 潛[水]艇

U bow - U形艏

U-bend - U形管

U-boat - 潛水艇

U-bolt - U形螺栓

U-clamp - U形夾

U-pipe - U形管

U-section - U型剖面

U-shaped section - U形剖面

U-tube - U形管

U-tube heater - U形管式加熱器

U-tube pressure gauge - U形管壓力計

U-tube tank - U型管減搖水艙

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