Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/50a630788a62e66672f109987c227e05.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 boiler graphite是什么意思，boiler graphite的翻译，boiler graphite音标、读音、用法和例句_歐米惠必应词典
Two kinds of packing: i. e. carbon with fiber and soft graphite are used. The sealing effect is excellent for high pressure boiler F. W. P. 選用碳素纖維填料和膨脹石墨填料混郃使用，密封傚果良好。