drill pipe protectordrill pipe stabilizer钻杆: bull rod; bar; rod; drill st ...护: protect; guard; shield箍: hoop; ferrule; band上卸钻杆护箍工具: stabilizer expander and remover稳定器；稳定剂；钻杆护箍；平衡器；稳压器: stabiliser下载手机词典可随时随地查词查翻译
