Spaces which are entered only occasionally by crew members may have
only one means of escape. This sole means of escape should be
independent of watertight doors
请问脱险通道独立于水密门如何理解。
Spaces which are entered only occasionally by crew members may have
only one means of escape. This sole means of escape should be
independent of watertight doors
请问脱险通道独立于水密门如何理解。