flat position造句

例句与造句

1. Flat position of welding
   平焊位置
2. Flat position welding
   平焊俯焊
3. Abstract : combined the engineering field , this paper introduces a kind of the butt weld in the flat position technology of the steel flat pile using simply device
   文摘:结合现场实际，介绍了一种利用简易设备实现钢板桩对接技术。
4. It's difficult to find flat position in a sentence. 用flat position造句挺难的