The tractor frame uses super-long fifth-wheel pick-up plate as well as plate reinforced cross member.
牵引车车架采用了超长的鞍座连接板及连接板加强横梁。
Based on the conditions of processing facilities in enterprise, the compound dies of cutting edge and punching round holes for the tractor frame is developed.
根据企业加工设备条件，研制了拖拉机车架切边冲孔复合模具。
Based on the conditions of processing facilities in enterprises, the thesis develops the compound dies of cutting edge and punching round holes of the tractor frame.
针对企业加工设备条件的限制研制了拖拉机机架切边冲孔复合模具。
The frame of mast derrick that is designed for hydraulic wheel tractor hoist adopt welding of armor plate, its section is oblong armor plate, and its material is HG60.
为满足液压轮式通井机的使用要求而设计的桅杆式井架采用板焊结构，主体截面为长方形的方形钢，材料为HG60。
The safety frame is convenient to install, disassemble and pack, and can further improve the passing-through performance of the tractor.
本实用新型具有装卸、包装方便，能进一步提高拖拉机通过性能的特点。
The safety frame is convenient to install, disassemble and pack, and can further improve the passing-through performance of the tractor.
本实用新型具有装卸、包装方便，能进一步提高拖拉机通过性能的特点。
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