...称：广州铝和金门窗设备，广东铝和金门窗设备.... ... 输入功率 Input power 焊接范围 Welding range 焊接型材高度 Welding height ...
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优点：改进后焊接范围比同类产品更大，机架结实，稳定，精度高。
Advantages: After modification, the product has a wider welding scope, more solid frame, more stable performance, higher accuracy than the similar product.
如果阀体的材料是可以焊接的，但膨胀系数差异很大，或者工作温度的变化幅度范围较大，螺纹连接部必须进行蜜封焊。
If the valve body material can be welded, but very different thermal expansion coefficient, or changes in operating temperature range of a larger thread junction closure weld must be honey.
应用范围包括产品装配，组合建筑和迁移，焊接，维修业务，以及其他起重和定位。
Applications include product assembly, component building and transfer, welding, repair operations, and other work lifting and positioning.
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