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，螺母結構，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.
研究設計了CYCIAE-30回旋加速器主磁鐵液壓舉升系統的油路結構和控制系統，并說明了它的工作原理。
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主起升機構調速系統，為工廠橋式起重機電控系統改造提供一種參考。