请问海船船员健康证明有效期是多长？(海员常识百问百答72)
https://onvideo.ssrcdn.com/bs2/onVideo/skyfall/media/34252207287505497561251.mp4 腾讯https://v.qq.com/x/page/d3511qmf1tv.html
公众号
https://mp.weixin.qq.com/s/iB1k67I76wVUhAO7k_jq1g
今日头条
https://www.ixigua.com/i7229988153820447272/
百家号
https://haokan.baidu.com/v?vid=3109062039779539799
美篇
https://www.jianpian.cn/a/itn0i1n
一点号
https://www.yidianzixun.com/article/V_1fClfxRk
优酷
https://v.youku.com/v_show/id_XNTk2MjY5NDM3Mg==.html
56视频
http://www.56.com/u11/v_MTgzNTgwMDU2.html
哔哩哔哩
https://www.bilibili.com/video/BV1rV4y1k7pZ/
搜狐
https://tv.sohu.com/v/dXMvMzY1NjQ1Njk5LzQ0MzU0OTQ0Mi5zaHRtbA==.html
爱奇艺
https://www.iqiyi.com/v_1lu3dx4oisg.html
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