Below the waterline are the forward and after plotting rooms, each of which contains rangekeepers, stable verticals, graphic rangekeeping devices, switchboards, and other instruments.
英
美
释义
前后绘图室位在水线之下,每一间都配备有射程计算仪,垂直稳定仪,射程绘图计算设备,信号交换机及其他仪器。
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