查询词典 choke collar

Take that drill collar up to the derrick floor：把那根钻铤拉到钻台上来

measure that joint,量一下那接头, | Take that drill collar up to the derrick floor?把那根钻铤拉到钻台上来, | What is the weight?钻压多大?

Dovetail-shaped：鸠尾型

颈袖预备 Collar preparation | 鸠尾型 Dovetail-shaped | 就位道 Path of insertion

drill clamp：钻头夹具

drill clamp spring 钻夹弹簧 | drill clamp 钻头夹具 | drill collar 钻铤

drilling bit, bit：钻头

钻铤卸荷槽||"stress relief groove, drill collar groove" | 钻头||"drilling bit, bit" | 钻头保护器||bit protector

dust cap assembly：防尘帽总成

dust cap;防尘帽 | dust cap assembly;防尘帽总成 | dust collar;防尘环

Bivvy cowl：齐胸bivy(貌似是这家特色 有个能覆盖头部的穹隆)

Collar cord 胸口抽绳 | Bivvy cowl 齐胸bivy(貌似是这家特色 有个能覆盖头部的穹隆) | Length 长

Cire：压光

Chambray 色经白纬的织物 青年布/学生布 | Cire 压光 | Collar stand 领座

posterior colliculi：后阜

后颈 posterior collar | 后阜 posterior colliculi | 后冠状动脉 posterior coronary artery

drillers：司钻

drill-collar 钻铤 | drillers 司钻 | drilling foremen 钻井领班

channel steel expansion ring：槽钢胀圈

带板 band plate | 槽钢胀圈 channel steel expansion ring | 环口 collar extension

penninite：葉綠泥石(美綠泥石)

pendeloque 梨形琢型 | penninite 葉綠泥石(美綠泥石) | Pennsylvania diamond 賓夕法尼亞鑽石 同黃鐵礦

crustacean crustacean：甲壳动物

crust crust地壳 | crustacean crustacean甲壳动物 | crystal crystal晶体