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无人机舱作4 ~6小时航行试验。
UMS (unattended machinery space) sea trial continue 4 ~ 6 hours.
youdao
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没有准备驾驶员同意不得进入无人机舱。
Do not enter unmanned room without permission by officer of the watch.
youdao
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没有准备驾驶员同意不得进入无人机舱。
Do not enter unmanned room without permission by officer of the watch.
youdao