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在机械按装中,一般都是用螺丝杆把底木梁与机械连接起来,需要在按底木梁的地面上挖一个大坑,且拆卸机械时还需要把螺丝杆
In mechanical installation, the bottom beam is usually connected to the machine by means of a screw rod, and a large hole needs to be dug in the bottom of the bottom beam, and the screw rod needs to be removed when the machine is disassembled.