单选题无人值班机舱在下列哪些情况下,应中止无人值班()。 Ⅰ、进行消防救生演习时; Ⅱ、副机吊缸检修时; Ⅲ、进出港移泊过运河等机动操纵持续时间超过2小时; Ⅳ、进出港移泊过运河等机动操纵持续时间超过4小时。AⅠ或ⅡBⅢ或ⅣCⅠ或ⅢDⅠ或Ⅳ
单选题
无人值班机舱在下列哪些情况下,应中止无人值班()。 Ⅰ、进行消防救生演习时; Ⅱ、副机吊缸检修时; Ⅲ、进出港移泊过运河等机动操纵持续时间超过2小时; Ⅳ、进出港移泊过运河等机动操纵持续时间超过4小时。
A
Ⅰ或Ⅱ
B
Ⅲ或Ⅳ
C
Ⅰ或Ⅲ
D
Ⅰ或Ⅳ
参考解析
解析:
暂无解析
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