Warning: file_put_contents(/www/wwwroot/zidian/biehu.cn/cache/a81fb66b8e733141505911994324f105.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/biehu.cn/index.php on line 58 tungalloy例句_tungalloy英汉例句_tungalloy双解例句_甲百汇小鸡词典
Our country is rich in tungsten resources. Taking tungsten as the main alloy element, tungalloy white cast iron liner is developed. 我国钨资源丰富,以钨为主要合金元素,开发了钨合金白口铸铁衬板。