Firstly, the material, which have already been chosen and cut, are dressed and polished by high-precision jointing machine and planer, and the jointing surface of material should be smooth, so that workers can joint the materials.

• 首先，要将选切好的毛料在高精度的修边机、刨料机上分别进行修边和刨光处理，要将木料的拼合面处理至平整光滑后，才能进行拼合。