coring bit
短语词组
- coring cone bit 牙輪取心鑽頭
- coring g bit 取芯鑽頭
- PDC non coring drill bit PDC 無心鑽頭
- hard metal coring bit 硬質郃金取心鑽頭
- coring bit with diamonds 金剛石巖心鑽頭
- non -coring bit 不取心金剛石鑽頭
- percussive coring bit 沖擊鑽探取心鑽頭
- coring bit breaker 取心鑽頭裝卸器
- reverse circulation coring bit 反循環取心鑽頭 返回 coring bit