bend drill pipebent drill pipekinked double弯: curved; bent; crooked; flexu ...钻杆: bull rod; bar; rod; drill st ...钻杆: bull rod; bar; rod; drill stem; drill pipe; jackrod (手持式风钻); bore rod; boring bar; drilling rod; drilling pipe; drill rod冲钻杆: jumper bar; jumper boring bar; jumper-boring bar短钻杆: pujoint下载手机词典可随时随地查词查翻译