bit drag
短語(yǔ)詞組
- drag bit [地質(zhì)]刮刀鑽頭;翼狀鑽頭;刮刀鑽頭
- step type drag bit 堦梯形刮刀鑽頭
- stepped drag bit 堦梯刮刀鑽頭
- drag bit drilling 刮刀鑽進(jìn)
- blade drag bit 刮刀鑽頭
- fourway drag bit 四翼刮刀鑽頭
- way drag bit 四翼刮刀鑽頭
- stetype drag bit 堦梯形刮刀鑽頭
- three -winged drag bit 三翼刮刀鑽頭;三翼鑽頭 返回 bit drag