main lifting structure

基本解釋

With the main blade lifting screw, nut structure, stable and reliable.
主鋸片升降采用螺桿，螺母結(jié)構(gòu)，平穩(wěn)可靠。
The oil-line structure, control system and their working principles of the hydraulic lifting system for the main magnets of CYCIAE-30 cyclotron are introduced.
研究設(shè)計(jì)了CYCIAE-30回旋加速器主磁鐵液壓舉升系統(tǒng)的油路結(jié)構(gòu)和控制系統(tǒng)，并說(shuō)明了它的工作原理。
The electric timing system of the main lifting structure on bridge crane is researched in this paper for providing a reference to the improvement of the electric controlling system.
主要研究橋式起重機(jī)主起升機(jī)構(gòu)調(diào)速系統(tǒng)，為工廠(chǎng)橋式起重機(jī)電控系統(tǒng)改造提供一種參考。