常見例句雙語例句A program for calculating hoist drum coiled up by mu…提出了計算多層纏繞鋼繩的提升機(jī)卷筒的程序（從略備查）。This paper analyses the reason of hoist drum crack, and puts forward repair technology.對提升機(jī)卷筒裂紋原因進(jìn)行了分析，提出了修理工藝措施。Shaxikou Spillway Segment Gate is the first hydraulic Power Station controlled by skew axis double drum hydraulic hoist in our country.沙溪口表孔弧門是我國第一個采用斜拉式雙缸液壓啟閉機(jī)操作的水電站。 返回 drum hoist