海员参加培训及后续考试换证所需的条件和要求有哪些？(船员职业常识百问百答05)
https://onvideo.ssrcdn.com/bs2/onVideo/skyfall/media/34252207045969691851612.mp4 腾讯https://v.qq.com/x/page/v3507nhj9ae.html
公众号
https://mp.weixin.qq.com/s/SoRlhQQ1Y6HJUuRP4Vgeag
今日头条
https://www.ixigua.com/i7215878344083145227/
百家号
https://mbd.baidu.com/newspage/data/videolanding?nid=sv_6339208512468030442
美篇
https://www.jianpian.cn/a/d8tsff1
优酷
视频屏蔽
56视频
http://www.56.com/u42/v_MTgyODk3NTU5.html
哔哩哔哩
https://www.bilibili.com/video/BV13h4113742/
搜狐
https://tv.sohu.com/v/dXMvMzY1NjQ1Njk5LzQzMzY3MTAwNC5zaHRtbA==.html
爱奇艺
https://www.iqiyi.com/v_r1iazqricc.html
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