单选题开航前对舵必须参加的人员有:() ①、值班驾驶员; ②、轮机长; ③、电机员(或负责的轮机员); ④、值班一水A①、②、③B①、②、④C①、②、③、④D①、③、④
单选题
开航前对舵必须参加的人员有:() ①、值班驾驶员; ②、轮机长; ③、电机员(或负责的轮机员); ④、值班一水
A
①、②、③
B
①、②、④
C
①、②、③、④
D
①、③、④
参考解析
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