Warning: file_put_contents(/www/wwwroot/zidian/biehu.cn/cache/e19784f561e08c38b711961479b41ae7.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/biehu.cn/index.php on line 58 flame-cutting plant例句_flame-cutting plant英汉例句_flame-cutting plant双解例句_甲百汇小鸡词典
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。