船员学习是多长时间？油化证培训要多久？（猪班长海员平台_第942期）
https://onvideo.ssrcdn.com/bs2/onVideo/skyfall/media/34252206683953410769526.mp4 腾讯https://v.qq.com/x/page/m3502i2kzlp.html
公众号
https://mp.weixin.qq.com/s/7yzisl2MfTWK0-peucr9rw
今日头条
https://www.ixigua.com/i7205869040097559040/
百家号
https://haokan.baidu.com/v?vid=10737147102178629383
美篇
https://www.jianpian.cn/a/91n20vm
优酷
https://v.youku.com/v_show/id_XNTk0ODY0MjU2OA==.html
56视频
http://www.56.com/u82/v_MTgyMzk1OTk5.html
哔哩哔哩
https://www.bilibili.com/video/BV1xx4y1T7sD/
搜狐
https://tv.sohu.com/v/dXMvMTg5NTY1NTI1LzQyNjgyODUyOC5zaHRtbA==.html
爱奇艺
https://www.iqiyi.com/v_nzak40x17o.html
一点号
https://www.yidianzixun.com/article/V_1b2KpHTY
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