钻套

drill pipe protector

钻杆护套

"drill pipe float valve","钻杆止回阀" | "drill pipe protector","钻杆护套" | "drill pipe protector expander","钻杆护套扩装器"

trepanning drill

套孔锥,套料钻

trepang agate 海参玛瑙 | trepanning drill 套孔锥,套料钻 | trepanning machine 打眼机

bit brace

摇钻柄

bit arbor 钻套 | bit brace 摇钻柄 | bit error probability 误比特概率

drill bushing

钻[头]套

钻,钻头,钻床,操练,条播机 drill | 钻[头]套 drill bushing | 钻头夹头,钻帽 drill chuck

drill gauge

钻径规

drill chuck 钻头卡 | drill gauge 钻径规 | drill holder 钻套

drill jig

钻模

drill holder 钻套 | drill jig 钻模 | drill key 楔铁

socket drill

套节钻

"套节凿","socket chisel" | "套节钻","socket drill" | "套节接合","socket joint"

shell drill

套式扩孔钻

shell cutter 套式铣刀 | shell drill 套式扩孔钻 | shell egg 带壳蛋

shell drill

套式扩孔钻,套装扩孔钻,壳型钻,筒形钻

shell drain nozzle ==> 壳 | shell drill ==> 套式扩孔钻,套装扩孔钻,壳型钻,筒形钻 | shell effect ==> 外壳效应

shell core drill

套式扩孔钻

shell cloth 炮弹哔叽 | shell core drill 套式扩孔钻 | shell cutter 套式铣刀

uniovular twin：真孪生

uncompetitative inhibition 非竞争性抑制 | uniovular twin 真孪生 | unit membrane 单位膜

play off one against the other：挑拨离间, 从中得利

play off (难分胜负的)延长赛 使出丑 嘲弄 以...冒充 假装有病 | play off one against the other 挑拨离间, 从中得利 | play off one against another 挑拨离间, 从中得利