Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/26b81f0e5552b184285019c0bf5f3a73.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 hydrant valve例句_hydrant valve英汉例句_hydrant valve双解例句_欧米惠必应词典
Contractors are not allowed to use any kinds of installations as water , gas , valve , hydrant and electronic switches etc. without permission . 搭建方不准擅自动用展馆的各种工程设施（指水、气、阀门、消火栓、电器开关等） 。