扳手

double end spanner

双头板手

double end spanner 双头扳手 | double end spanner 双头板手 | double endbolt 双头螺栓

double-entry bookkeeping system

复式记帐法

双头扳手 double-ended spanner | 复式记帐法 double-entry bookkeeping system | 双重断错背斜 double-faulted anticline

double-entry accounting system

复式簿记记帐法

double ended wrench ==> 双头扳手 | double entry accounting system ==> 复式簿记记帐法 | double entry book-keeping ==> 复式记帐

drill clamp bolt

钻夹螺栓

drill chuck with thread adapter 螺纹联接扳手钻夹头 | drill clamp bolt 钻夹螺栓 | drill clamp spring 钻夹弹簧

pin drill

针头站

pin down 船首前倾 | pin drill 针头站 | pin face wrench 叉形带销扳手

Carpenters' augers

木工钻子

080133 刨刀(削皮刀) Paring knives | 080104 木工钻子 Carpenters' augers | 080063 龙头扳手 Tap wrenches

casters

轮子

扳手 wrenches | 轮子 casters | 滑轨和转盘 slides and swievles

insulating clingers

绝缘筒

insulating bar绝缘立柱内六角扳手,绝缘条 | insulating clingers 绝缘筒 | insulating tube 绝缘管

cockswain

救生艇或赛艇)艇长或舵手救生艇或赛艇)头目

cockspanner 旋塞扳手 | cockswain 救生艇或赛艇艇长或舵手救生艇或赛艇头目 | cockswain 艇长或舵手

triple expansion engine

三级膨胀式发动机

triple end set screw wrench 三头紧定螺钉扳手 | triple expansion engine 三级膨胀式发动机 | triple focusing mass spectrometer 三重聚焦质谱仪

Supposed to Be：应该吧

我想我该睡了 i think i should slp | 应该吧 supposed to be | 希望 hope so

Plain Weave：平布

509 hopsack 方平织物 | 510 plain weave 平布 | 511 panama 巴拿马薄呢