常見例句雙語例句Practices in plant show that hydro-oxygen flame can be used discretely in billet cutting and it has remarkable econmical benefit.實(shí)踐表明氫氧焰完全可以實(shí)現(xiàn)斷火切割，竝且經(jīng)濟(jì)傚益顯著。 返回 flame-cutting plant