TDX型套管段铣器钻具组合为（）。A、锥形铣鞋＋扶正器＋浮阀＋减_爱下问搜题

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问题单项选择题

TDX型套管段铣器钻具组合为（）。

A、锥形铣鞋＋扶正器＋浮阀＋减震器＋钻铤＋机械式随钻震击器＋钻杆＋套管段铣器

B、锥形铣鞋＋扶正器＋套管段铣器＋浮阀＋减震器＋钻铤＋机械式随钻震击器＋钻杆

C、卡瓦打捞筒＋机械式随钻震击器＋扶正器＋套管段铣器＋浮阀＋减震器＋钻铤＋钻杆锥

D、形铣鞋＋扶正器＋浮阀＋减震器＋钻铤＋套管段铣器＋机械式随钻震击器＋钻杆

答案

参考答案：B

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短文填空

Dear Sally,

I really need your help. I'm feeling u 1 these days, because I get so many p 2 .I'mnot a

good-looking girl and I'm not good at studying, e 3 . Some of my classmatesalways make jokes

of the way I d 4 . They think my clothes are all out of s 5 ,e 6 my best friend, Lily. I tried

everything I can, but nothing s 7 to work. What's more, infamily, there' s a more s 8 problem.

My parents a 9 with each other and they don't talk to each other now. Can you give me some a

10 ?

A sad girl,

Susan

填空题

点检员的岗位职责中应编制、修订分管设备的（）。