基本解释[交通运输工程]气割装置英汉例句双语例句Practices in plant show that hydro-oxygen flame can be used discretely in billet cutting and it has remarkable econmical benefit.实践表明氢氧焰完全可以实现断火切割，并且经济效益显著。flame-cutting plant更多例句专业释义交通运输工程气割装置