基本解釋木材提升機；木踏板繩梯；[船][航] 索梯英漢例句雙語例句Annie and Jack started up the rope ladder .安妮和杰克抓住繩梯，開始向上爬。The emergency escape device for high rise building consists of jack ladder, guide track, chain wheel, speed varying mechanism, hydraulic speed regulating controller, etc.本發(fā)明是一種高層建筑遇險時緊急逃生裝置，也是一種理想的消防設施。該裝置主要由鏈梯、導軌基架、鏈輪、變速機構、液壓調速式控制器等組成。ip.comThe invention relates to an apparatus used for maintaining a transmission facility, in particular to a jack ladder grapnel suitable for double-cracking type and four-cracking type divided conductors.本發(fā)明涉及一種輸電線維護用器具，尤其是一種適用于雙分裂、四分裂 式分裂導線軟梯頭抓鉤。ip.comjack ladder更多例句詞組短語短語jack engine ladder 軟梯jack ladder tender 插孔階梯管理員log jack ladder 原木鏈條傳送機ladder jack scaffold 梯式腳手架ladder r jack scaffold 梯式腳手架jack ladder更多詞組專業(yè)釋義航空、航天科學技術軟梯索梯交通運輸工程軟梯索梯機械工程繩梯