甘
甘肃省水利水电施工企业三类人员安全生产继续教育网络培训助手
防止页面因 visibilitychange / blur 导致视频误暂停，并在防挂机弹窗出现时进行明显提醒
#继续教育
#学习辅助
#视频播放
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Learning assistant for Gansu province water conservancy safe
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Statistics
Total Installs
5
Last 24h
+0
User Rating
-