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Terms for subject Drilling containing | all forms
ChineseEnglish
方方钻杆hexagonal kelly
方震击器hexagonal bumper jar
点式底部扩眼器six point bottom hole reamer
点式旋转扩眼器six point rotary reamer
点式滚子稳定器six point roller reamer
臂地层倾角测量仪six arm dipmeter
角头螺栓hex-head screw
角由壬hex union
方扳手allen wrench
方扳手allen key
方螺栓hex typ socket screw
方螺栓alien type socket screw
方螺钉socket head cap screw