【字彙解釋】

Packing, gravel 礫石襯墊

Packing

n. 包裝, 填墊材料, 行李

gravel

n. 砂礫


【前後詞彙】

Overburden 過載
Overflow 溢流，滾跌
Overload 過載
Overpumping 過重抽水
Overtopping 漫溢
Overturning 傾覆
Packing, gravel 礫石襯墊
Paper, logrithmic probability 對數機率格紙
Paper, probability 機率格紙
Paradox, hydrostatic 靜水奇象
Paravane 平準翼板