钻杆

hollow-rod churn drill

空心钻杆顿钻机

"hollow reamer","扩孔器" | "hollow-rod churn drill","空心钻杆顿钻机" | "Holman dust extractor","霍尔曼捕尘器"

collar-bound pipe

接箍被卡钻杆

cluster-type residual oil簇状残余油 | collar-bound pipe接箍被卡钻杆 | collar-pull elevator挂接箍吊卡

box and pin drill pipe

钻杆公母接头

"box","母接头 ; 空心结核 ; 盒状室" | "box and pin drill pipe","钻杆公母接头" | "box annealing","装箱退火 ; 闭箱退火法"

stand of drill pipe

钻杆立根

storage area 存储区 | stand of drill pipe 钻杆立根 | Shale Shaker 泥浆振动筛

Hollow Drill Steel

空心钻杆

Hollow Steel Spoke Wheel 空心钢辐轮 | Hollow-Drill Steel 空心钻杆 | Homogeneous Steel 均质钢; 均质钢

dry pipe

干钻杆;空油管

dry photography 干法摄影术 | dry pipe 干钻杆;空油管 | dry plastic layer 干燥的塑料涂层

tool joint pin

外螺纹钻杆接头

tool joint lubricator 钻具接头润滑剂 | tool joint pin 外螺纹钻杆接头 | tool joint wobble 工具接头摆动

Stabiliser

稳定器;稳定剂;钻杆护箍;平衡器;稳压器

stabilise 使稳定 | stabiliser 稳定器;稳定剂;钻杆护箍;平衡器;稳压器 | stabilites 全晶矿物

spring pole rig

弹簧钻杆机

spring pivot seat bushing 弹簧支枢座衬套 | spring pole rig 弹簧钻杆机 | spring rate 弹簧负荷率

sinker bar

助钻杆

sinker chain 沉锤链 | sinker bar 助钻杆 | sinker 向下凿岩机 ,沉锤

photoperiodic response：光周期响应

photoperiodic induction 光周期诱导 | photoperiodic response 光周期响应 | photoperiodism 光期性

Multi-Variate Statistical Analysis：多元统计剖析

311. 多项距阵 Multi-Nominal Matrix | 312. 多元统计剖析 Multi-Variate Statistical Analysis | 313. 发电厂 Power Plant