声纳acoustic admittance;acoustic susceptance;acoustical admittance;asdic;asdic gear;sonar;sound navigation and ranging详细»
声纳acoustic susceptance;sonar;sound navigation and ranging详细»
声纳acoustic susceptance详细»
声纳echo sounding instrument;sound navigation and ranging;sound operation navigation and range详细»
声纳〔名词〕sonar详细»
声纳acoustic susceptance;sonar详细»