杆

draw on pins

起模顶杆

抽取用皮带输送机 draw off belt conveyor | 起模顶杆 draw on pins | 回转起模 draw on rollover

drawbar

牵引杆

drain valve 排水阀 | drawbar 牵引杆 | drawn-in tape 拉线带

drawbar length

牵引杆长

货厢全长 body length | 牵引杆长 drawbar length | 牵引装置的位置 position of towing attachment

swinging drawbar

摆动式拖杆

"sweet potato vine cutter","甘薯切蔓器" | "swinging drawbar","摆动式拖杆" | "swinging sifter","摇动筛;振动筛"

drill chuck arbor

钻夹头接杆

drill chuch 钻夹头 | drill chuck arbor 钻夹头接杆 | drill chuck holder 钻夹头刀柄

drill pipe

钻杆

钻井液(drilling fluid/mud)通过钻杆(drill pipe)内部泵入钻头,作用包括冷却(cooling)钻头、提升钻屑(drill cuttings)、避免井壁(wellbore wall)不稳定以及避免岩层液体由于压力进入井眼.

drill pipe cutter

钻杆外切割器

chemical cutter 化学切割器 | drill pipe cutter 钻杆外切割器 | casing cutte 套管内切割器

DP: drill pipe

钻杆

BHA: bottom hole assembly下部钻具组合 | DP: drill pipe钻杆 | DC: drill collar钻铤

drill stem

钻杆

组分 component | 钻杆 drill stem | 钻井管材 drilling pipe

drill stem

钻头杆

"drill steel","钻头钢" | "drill stem","钻头杆" | "drill support","钻床支座"

Megalosaurus" chubutensis：巨齿龙错误种春秋中文社区

| "Megalosaurus" andrewsi巨齿龙错误种 | | "Megalosaurus" chubutensis巨齿龙错误种春秋中文社区http://bbs.cqzg.cn | | "Megalosaurus" insignis巨齿龙错误种

they were unimpressed, so I had to impress myself on them：他们不会有什么特别的印象 所以,我就必须加深他们对我的印象

I was born without those qualities. When peo... | ...they were unimpressed, so I had to impress myself on them.|他们不会有什么特别的印象 所以,我就必须加深他们对我的印象 | I admire you, Cassidy, and I w...