English translation for "underreamer"

管下扩眼器
管眼扩大器
孔底扩大器
扩孔器

Related Translations:

hydraulic underreamer:  液压管下扩眼器

underreamer cutter:  管下扩眼器刀刃

cable tool underreamer:  顿钻管下扩眼器

Similar Words：

"underreaction" English translation, "underream" English translation, "underreamed" English translation, "underreamed foundation" English translation, "underreamed zone" English translation, "underreamer cutter" English translation, "underreaming" English translation, "underreaming bit" English translation, "underreaming fluid" English translation, "underrefining" English translation