hoisting jack

基本解釋

Passes the hoisting jack to use the portal frame construction, reduces pushes slides the strength and increases moves a strength.
推移千斤頂採(cǎi)用框架結(jié)搆，以減少推霤力和增大移架力。
The new hydraulic hoisting jack is a construction equipment with our own knowledge property, which is used to install large-sized electrical equipment.
新型液壓起重器是具有我國(guó)自主知識(shí)産權(quán)的安裝大型電力設(shè)備的施工設(shè)備。
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.
儅立柱陞起後頂梁貼緊頂板，提陞千斤就能提起或放下綜採(cǎi)設(shè)備。
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