bottom mounted sonar

船舶工程英语3_shen... ... 导航声呐||navigation sonar 坐底声呐||bottom mounted sonar 回声测深仪||echo depth sounder ...

... ) bottom-mounted sonar network 海底声纳网络 ) bottom mounted sonar 海底声纳 ) bottom scanning sonar 海底扫描声纳 ...