当船员要学哪些科目？考试学习有难度吗(猪班长海员热线1071期)
https://onvideo.ssrcdn.com/bs2/onVideo/skyfall/media/34252207502449980547294.mp4 腾讯https://v.qq.com/x/page/u3513xuezpi.html
公众号
https://mp.weixin.qq.com/s/sXsedgMLb2QwsqHBWe7tXA
一点号
https://www.yidianzixun.com/article/V_1gAYja5B
56视频
http://www.56.com/u82/v_MTgzODQwMzQz.html
搜狐
未通过审核
百家号
https://haokan.baidu.com/v?vid=2345777554739164734
美篇
https://www.jianpian.cn/a/kh4r6su
优酷
视频屏蔽
爱奇艺
https://www.iqiyi.com/v_1kmwnk0rciw.html
哔哩哔哩
https://www.bilibili.com/video/BV1dc411w7BY/
今日头条
https://www.ixigua.com/i7234464902781272634/
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