filler metal
柯林斯词典
1. N metal supplied in the form of a welding rod, sometimes flux coated, melted by an arc or a flame into a joint between components to be joined 填充金属
返回 filler metal
1. N metal supplied in the form of a welding rod, sometimes flux coated, melted by an arc or a flame into a joint between components to be joined 填充金属