Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/30868c6c5851a311fe25aceb99ec5bf4.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.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_按摩法牛津词典
The superiority and structure characteristics of Polyethylene(PE) glove valve compared with metallic valve, and its shortcoming and the improvement were discussed. 论述了PE球阀的优点及结构特点，并对其不足之处进行了改进。