A fire main system must have enough fire hydrants so that each accessible space may be sprayed with（）.<br>A:a low velocity spray applicator<br>B:a water spray or solid stream<br>C:at least two spray patterns of water<br>D:at least 25 psi delivered pressure

A fire main system must have enough fire hydrants so that each accessible space may be sprayed with（）.
A:a low velocity spray applicator
B:a water spray or solid stream
C:at least two spray patterns of water
D:at least 25 psi delivered pressure

出自：海船船员证

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