单选题使用蒸汽的船舶,甲板蒸汽各阀门由()操作。A甲板部人员B大管轮C三管轮D值班机匠
单选题
使用蒸汽的船舶,甲板蒸汽各阀门由()操作。
A
甲板部人员
B
大管轮
C
三管轮
D
值班机匠
参考解析
解析:
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