The Jack PC can be installed into walls, floor or users' desks where only the connection plate is showing.
只要有连接板，杰克个人电脑就能够安装在墙壁里，地板下或用户办公桌上。
The jack is usually mounted in a wall plate or patch panel.
杰克通常安装在壁板或接线板。
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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