单选题The most common forms of main drive used on deck auxiliaries are （）.Asteam plants, electric motors and compressed airBdiesel engine, hydraulic machinery and compressed airCsteam plants, electric motors and hydraulic machineryDdiesel engines, steam plants and hydraulic machinery
单选题
The most common forms of main drive used on deck auxiliaries are （）.
A
steam plants, electric motors and compressed air
B
diesel engine, hydraulic machinery and compressed air
C
steam plants, electric motors and hydraulic machinery
D
diesel engines, steam plants and hydraulic machinery
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