double-acting cylinder：雙作用油缸

double-acting capstan 雙動(dòng)手搖絞盤 | double-acting cylinder 雙作用油缸 | double-acting double piston rod oil cylinder 雙作用雙活塞桿式油缸

double ruled surface：雙直紋面

"雙極雙投開關(guān)","double pole double throw switch" | "雙直紋面","double ruled surface" | "雙直線翹曲面","double ruled warped surface"

double pole single-throw switch：雙極單投開關(guān)

double-pole double-throw switch 雙極雙投開關(guān) | double-pole single-throw switch 雙極單投開關(guān) | double-pole switch 雙極開關(guān)

double pole single-throw switch：雙刀-單擲開關(guān)

double-pole double-throw switch;雙刀-雙擲開關(guān) | double-pole single-throw switch;雙刀-單擲開關(guān) | double-pump barrel assembly;雙泵筒[體]總成

double hook; sister hook：雙鉤

double dragging 雙船曳網(wǎng)作業(yè) | double hook; sister hook 雙鉤 | double knot; double sheet bend 雙重死結(jié)節(jié)

double summer time：提前二小時(shí)的夏令時(shí)

double summer time 雙重夏令時(shí)提前二小時(shí)的夏令時(shí) | double summer time 提前二小時(shí)的夏令時(shí) | double summer time=British double summer time 英國提前二小時(shí)的夏令時(shí)

Triple Double：三雙(個(gè)人得分、籃板球和助攻都達(dá)到兩位數(shù))

兩雙(個(gè)人得分和籃板球都達(dá)到兩位數(shù)) double-double | 三雙(個(gè)人得分欧美熟妇淫乱、籃板球和助攻都達(dá)到兩位數(shù)) triple-double | 四雙(個(gè)人得分欧美日韩一级片黄色视频、籃板球、助攻和蓋帽/搶斷都達(dá)到兩位數(shù)) quadruple-double

On the double! Double march：跑步

便步走! At ease march! | 跑步! On the double! Double march! | 跑步前進(jìn)! Double time!

double meshes：雙線編網(wǎng)目

double knot; double sheet bend 雙重死結(jié)節(jié) | double meshes 雙線編網(wǎng)目 | double pipe type 套管式[冷凍]

double-point crank press：雙點(diǎn)曲軸壓力機(jī)

double-point breaker 復(fù)式斷電器 | double-point crank press 雙點(diǎn)曲軸壓力機(jī) | double-point double-throw switch 雙刀雙擲開關(guān)