拼音:zuàn gǎn
注音:ㄗㄨㄢˋ ㄍㄢˇ
繁体:
◎ 钻杆 zuàngǎn[drill pipe;drill rod;drill stem;boring bar;boring rod] 钻孔工具中连接钻头、用以传递动力的杆件
1.bull rod; bar; rod; drill stem; drill pipe; jackrod (手持式风钻); bore rod; boring bar; drilling rod; drilling pipe; drill rod
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