Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/ba7f5879789d2141a36e6e3984479962.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 echo sounding例句_echo sounding英汉例句_echo sounding双解例句_食材铺反向词典
It also carries out surveys through two specially-designed vessels which are fitted with the latest type of equipment including multi-beam echo sounders. 该部配备两艘经过特别设计的测量船，船上装有最新类型的设备，包括多波束回声测深仪。