un. 多道焊 [網(wǎng)絡(luò)] 多道焊法；多層多道焊 multi pass welding: 多層焊; 多道焊multi-pass (multiple pass) welding: 多道焊multi-layer and multi-pass welding: 分層多道焊multi pass: 多程multi-pass operations: 多次操作下載手機詞典可隨時隨地查詞查翻譯
