underwater acoustic transducer的意思|示意

水声换能器 ... 气泡式水位计bubble-type stage gauge 水声换能器underwater acoustic transducer 超声波水位计ultrasonic stage gauge ...

水中声换能器 ... 水准闭合差：error of closure in leveling 水中声换能器：Underwater acoustic transducer 水中混凝土：underwater concrete ...

水下声音传感器 ... 水下光缆传感器 optical cable submersion sensor 水下声音传感器 underwater acoustic transducer 水下电声传感器 underwater electroacoustic transducer ...

潜炸 ... 高架桥下通道；隧道 underpinning 潜炸 Underwater acoustic transducer 水中声换能器 underwater lighting ...