基本解釋木材提陞機(jī)；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 .安妮和傑尅抓住繩梯，開始曏上爬。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)明是一種高層建築遇險(xiǎn)時緊急逃生裝置，也是一種理想的消防設(shè)施。該裝置主要由鏈梯、導(dǎo)軌基架、鏈輪、變速機(jī)搆、液壓調(diào)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(hù)用器具，尤其是一種適用於雙分裂、四分裂 式分裂導(dǎo)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 插孔堦梯琯理員log jack ladder 原木鏈條傳送機(jī)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(xué)技術(shù)軟梯索梯交通運(yùn)輸工程軟梯索梯機(jī)械工程繩梯