Step 1: Complete the fabrication of compound frame according to Figure 2: Fabrication of Compound Frame.
Step 1: Complete the fabrication of compound frame according to Figure 2: Fabrication of Compound Frame.
第一步：依据图二：复合门架制作加工图，完成复合门架的制作加工。
Step 1: Complete the fabrication of compound frame according to Figure 2: Fabrication of Compound Frame.
第一步：依据图二：复合门架制作加工图，完成复合门架的制作加工。