单选题Controls for a fixed carbon dioxide system shall be mounted（）.Adirectly outside the space protected by the systemBas near the gas cylinders as possibleCin the pilothouseDon the main deck near the bow
单选题
Controls for a fixed carbon dioxide system shall be mounted（）.
A
directly outside the space protected by the system
B
as near the gas cylinders as possible
C
in the pilothouse
D
on the main deck near the bow
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