如果遇到厚云层，那么在漆黑一片的夜晚，航向将借助罗盘和导航器材来进行。
If the cloud is thick, night sailing takes place in inky blackness with just the compass and the instruments to help.
如果遇到厚云层，那么在漆黑一片的夜晚，航向将借助罗盘和导航器材来进行。
If the cloud is thick, night sailing takes place in inky blackness with just the compass and the instruments to help.
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