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）。