weld symbol造句
例句与造句
- Welding terms and symbols - european arc welding symbols in chart form
焊接术语与符号.图表形式的的欧洲电弧焊符号 - Technical drawings - dimensions , proportions and simplified representation for welding symbols
技术制图焊缝符号的尺寸比例及简化表示法 - It's difficult to find weld symbol in a sentence. 用weld symbol造句挺难的