lifting shaft 中文意思是什麼
lifting shaft
解釋
升降軸-
Analysis on the most economical speed of lifting equipments in mine shaft
關于礦井提升設備最佳經濟速度分析 -
Step 2 : install and position the compound frame which is fabricated according to the lifting design of shaft
第二步：將事先針對豎井吊裝設計、製作加工完成的復合龍門架安裝就位。 -
Working table lifting adopts four shaft lifting structure, with the advantage of small torlorance and high precision
工作臺的升降採用四柱式升降機構，誤差小，精度高。
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