基本解釋天井鉆機英漢例句雙語例句Some Speed lifting Systems of domestic raise-boring machines are described. Based upon an analysis of their functions, some recommendations for their improvement are proposed.本文介紹了國內(nèi)天井鉆機的幾種快速升降系統(tǒng)及其作用并對其進行了分析，提出了改進建議。raise boring machine更多例句詞組短語短語raise -boring machine pilot drifting method 反井鉆機導硐施工法drilling with raise -boring machine 反井鉆井the rack of raise -boring machine 反井鉆機機架Blind raise boring machine 盲天井鉆機hard rock raise boring machine [礦業(yè)]硬巖天井鉆進機raise boring machine更多詞組專業(yè)釋義水利工程反井鉆機地球科學天井鉆機