... 挖井工 Well sinker 固井工 Cementer 煤炭井工开采沉陷 mining subsidence ...
基于144个网页-相关网页
短语
固井工具
[油气]
cementing tool
固井工程师
Cementing Engineer
固井工人
dentist
固井工作时间
cementing working time
;
cemeting working time
固井工作
working cementing
固井工程
cementing engineering
高级固井工
Senior Cementer
钻井固井工艺
techniques of drilling and cementing
固井施工
cementing operation
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