... 舵角指示器；Rudder angle indicator; 子钟；Secondary clock; 火灾报警复视器；Fire alarm repeater; ...
基于87个网页-相关网页
... 副电路，二次回路 secondary circuit 子锺 secondary clock 二次线圈 secondary coil ...
基于8个网页-相关网页
master and secondary clock 子母钟
primary-secondary clock 子母钟
pedestal type secondary clock 座式子钟
polarized secondary clock 有极子钟
master r and secondary clock 子母钟
toll primary and secondary clock 长途子母钟设备
secondary electric clock 子电钟
Secondary master clock 二级母钟
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