Warning: file_put_contents(/www/wwwroot/zidian/biehu.cn/cache/1f4c12e2ebbbd6ad55f9d0434e56428f.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/biehu.cn/index.php on line 58 echo-gram例句_echo-gram英汉例句_echo-gram双解例句_甲百匯小鸡词典
It also carries out surveys through two specially-designed vessels which are fitted with the latest type of equipment including multi-beam echo sounders. 該部配備兩艘經過特別設計的測量船，船上裝有最新類型的設備，包括多波束廻聲測深儀。