测验船
design of surveying boat with two canoe shallow draft sinker wheel machine
河津浅吃水双舟型吊机水文测量船设计
The transponder at the underwater 4000 m need receive the interrogating signal and telecommand transmitted by the surveying boat, and carry out the relevant transponder underwater acoustic communication pressure telemetry and diagnostic function.
该水声应答器要求在4000米海深接收测量船发来的询问信号和遥控指令,相应的执行应答、水声通信、深度测量和自检等功能。
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