退緯重新打緯 back pulling: 回采煤柱pulling back: 回采煤柱center back seam pulling: 后中起吊pulling: 拉單晶的; 拉伸; 拉物體; 普林; 牽引的; 提升pulling in: 牽入下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
