PSC单选

在__℃以上的环境条件下，海船救生艇发动机启动系统和辅助启动设施应能够在启动cao作开始后分钟内启动发动机。

发布于 2021-03-04 19:43:01

【单选题】
A -10, 2
B -10, 3
C -15,2
D -15,3

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这家伙很懒，什么也没写！

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