- stickiness factor
- 卡: wedge; get stuck; be jammed
- 钻: drill; auger
- 系数: coefficient; ratio; modulus; ...
- 卡钻: bit freezing; drill pipe frozen; drill pipe sticking; freeze in; get stick; get stuck; jamming of a drilling tool; pipe becoming stuck; pipe-sticking; sticking of drill tools; sticking of tool; wedging of drill tool
- 卡钻了: the pipe’s stuck
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