多道焊 multi-pass (multiple pass) welding: 多道焊multi pass welding: 多層焊; 多道焊multiple pass welding: 多道焊接multi-layer and multi-pass welding: 分層多道焊multi pass: 多程下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯