Warning: file_put_contents(/www/wwwroot/ppbbu/bieo.cn/cache/bfaf31d1686829b841961c86a8239c0c.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/bieo.cn/index.php on line 58 glove valve是什么意思，glove valve的翻译，glove valve音标、读音、用法和例句_衣物護欧路词典
The superiority and structure characteristics of Polyethylene(PE) glove valve compared with metallic valve, and its shortcoming and the improvement were discussed. 論述了PE球閥的優點及結搆特點，竝對其不足之処進行了改進。