Suitable for easy welding and irregular shape larger products.
适合不易熔接、形状不规则较大件的产品。
An easy way to get the door to align correctly is to pre-drill the hort hinge flats before welding on the sides of the shoot (it can be done with careful setup and marking out).
一个简单的方法得到的大门差距是正确对齐预先钻前的拍摄地焊接铰链的园艺单位(可以仔细的做设置和划出)。
This invention changes its 200 years history of limitation to roof gutter and drainpipe, due to its easy bending, cutting and welding property.
改变200年以来利用锌金属易于弯折、剪焊等加工特性而限于作为制造屋面天沟及排水管之用。
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