The fire pumps must be capable of delivering a total quantity of water at a defined head, not less than （） of the total bilge pumping capacity.<br>A:one-third<br>B:two-thirds<br>C:one-fourth<br>D:two-fourths

The fire pumps must be capable of delivering a total quantity of water at a defined head, not less than （） of the total bilge pumping capacity.
A:one-third
B:two-thirds
C:one-fourth
D:two-fourths

出自：海船船员证

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