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Terms for subject Mechanics containing | all forms
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成套井架设备new derrick equipment set
一代多导引器new era polyguide
加坡结构钢学会Singapore Structural Steel Society
取心钻头new core bit
型独立的绳式股芯new independent wire rope core
换抽油new rod
设备试运转new equipment practice
鲜裂缝裂口fresh break
状态renewed state
运行rerun