Warning: file_put_contents(): Only 0 of 7551 bytes written, possibly out of free disk space in /home/www/wwwroot/ndsq.cn/index.php on line 55 shut-off plug是什么意思，shut-off plug的翻译，shut-off plug音标、读音、用法和例句_开心英文字典_柠咚词
The unique ram-style plug & seat provide reliable, tight shut off. All HST valves are covered by a 36 month prorated warranty. 独特的柱塞式设计，小巧、方便，所有止流阀均有36个月的保修期。 www.e-gtm.com.cn