... drill sharpening ==> 钻头刃磨 drill shoe ==> 条播开沟器 drill single twist ==> 单出屑槽钻 ...
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Drills (kick drills) according to kick control procedures as required will be performed with the drill string inside the casing shoe.
根据情况，钻具处在套管鞋时，遵照井涌控制程序，搞一次演习。
Shoe of small crew cut, grey dacron drill, round day, black in rubicund face bestrewed furrow, person of 58 years old has 779 years old however it seems that.
小平头、灰涤卡、圆日鞋，黑里透红的脸庞布满了皱纹，58岁的人看起来却有七八十岁。
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