Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/56ccc247587842e88da81e3281c6c35f.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_歐米惠必应词典
Contractors are not allowed to use any kinds of installations as water , gas , valve , hydrant and electronic switches etc. without permission . 搭建方不準擅自動用展館的各種工程設施（指水、氣、閥門、消火栓、電器開關等） 。