A ship's main emergency fire system consists of a specific number of ____________ located at strategic positions across the ship.(1.0)
A.fire axes B.portable extinguishers C.fire hydrants D.CO2 gas正确答案C
A ship's main emergency fire system consists of a specific number of ____________ located at strategic positions across the ship.(1.0)
A.fire axes B.portable extinguishers C.fire hydrants D.CO2 gas正确答案C