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Terms for subject Drilling containing 形井架 | all forms | in specified order only
ChineseEnglish
井架角形大腿angle leg
人字形井架drilling mast
形井架pyramid derrick
A字形轻便井架twin mast
A形井架mast
A形井架cantilever mast
A形轻便井架A-mast
普通塔形井架conventional derrick