The expansion tank in a diesel engine closed freshwater cooling system is located at （）<br>A:the highest point in the system<br>B:the lowest point in the system<br>C:near the floor<br>D:plate level or near the tank top level

The expansion tank in a diesel engine closed freshwater cooling system is located at （）
A:the highest point in the system
B:the lowest point in the system
C:near the floor
D:plate level or near the tank top level

出自：海船船员证

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