单项选择题
A. in the engine room B. on the gangway C. in public places D. on the deck
Bring your immersion suit. Meet in front of the ().A. b...
单项选择题Bring your immersion suit. Meet in front of the ().
A. boat deck B. forecastle deck C. bridge D. mean deck
Never extinguish oil and electrical fires with ().A. wa...
单项选择题Never extinguish oil and electrical fires with ().
A. water B. foam extinguisher C. CO2 extinguisher D. portable extinguisher
Water is used to put out ().A. oil fireB. electrical fi...
单项选择题Water is used to put out ().
A. oil fire B. electrical fire C. common fire D. special fire