According to Annex Ⅳ of comminuted and disinfected sewage using an approved system can be discharged when the ship is more than away from the nearest land（）<br>A:3 n mile<br>B:5 n mile<br>C:12 n mile<br>D:25 n mile

According to Annex Ⅳ of comminuted and disinfected sewage using an approved system can be discharged when the ship is more than away from the nearest land（）
A:3 n mile
B:5 n mile
C:12 n mile
D:25 n mile

出自：海船船员证

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