hoisting jack

基本解释

Passes the hoisting jack to use the portal frame construction, reduces pushes slides the strength and increases moves a strength.
推移千斤顶采用框架结构，以减少推溜力和增大移架力。
The new hydraulic hoisting jack is a construction equipment with our own knowledge property, which is used to install large-sized electrical equipment.
新型液压起重器是具有我国自主知识产权的安装大型电力设备的施工设备。
When vertical column is lifted, the roof beam is closely near top plate, the integrated mining equipment can be lifted or laid down by the hoisting jack.
当立柱升起后顶梁贴紧顶板，提升千斤就能提起或放下综采设备。
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