门体是靠铰链安装到位，只要铰链安装尺寸正确、牢靠，门扇就可方便地安装。
The door is on the hinge installation in place, as long as the hinge installation size correct and reliable, the door can be conveniently installed.
根据门扇的尺寸，确定每扇门需要安装的合页数量。并在门扇上画线。
Draw lines on the doorframe according to the amount and size of the rolled hinges needed to install.
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