完成了三管轮适任证的培训和考试，还能考机工证书吗？(海员常识百问百答27)
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公众号
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今日头条
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百家号
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美篇
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优酷
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56视频
视频屏蔽
哔哩哔哩
https://www.bilibili.com/video/BV14s4y1m7az/
搜狐
未通过审核
爱奇艺
https://www.iqiyi.com/v_16rx9crfqdc.html
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