backing pass
底焊焊道
常用释义
英式发音
美式发音
基本释义
- 底焊焊道；背焊道；封底焊
例句
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1·The mankind comes from naturally, and pass the reform through Labour naturally, and ask for the means of subsistence to the nature, and then human society with exist for backing naturally too.人类源于自然，通过劳动改造自然、向自然索取生存资料，进而人类社会也是以自然为依托而存在的。
同义词