For pumping the bilges，a 54 foot long “T-Boat”，which is not a ferry，but is certificated to carry 30 passengers，must be fitted with at least（）.<br>A:one fixed power pump and one portable hand pump<br>B:one fixed hand pump and one portable hand pump<br>C:two portable hand pumps<br>D:either "A" or "B"

For pumping the bilges，a 54 foot long “T-Boat”，which is not a ferry，but is certificated to carry 30 passengers，must be fitted with at least（）.
A:one fixed power pump and one portable hand pump
B:one fixed hand pump and one portable hand pump
C:two portable hand pumps
D:either "A" or "B"

出自：海船船员证

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