单项选择题
A. extinguishers B. portable extinguishers C. dry foam extinguishers D. CO2 extinguishers
The muster station is usually on ()(艇甲板).A. boat deckB....
单项选择题The muster station is usually on ()(艇甲板).
A. boat deck B. the bridge C. engine room D. main deck
Fire drill is ()(执行)once a month.A. carry outB. carried...
单项选择题Fire drill is ()(执行)once a month.
A. carry out B. carried out C. carrying out D. carry on
Any emergency pump situated outside ()(机舱)should also b...
单项选择题Any emergency pump situated outside ()(机舱)should also be started.
A. officer’s room B. machinery cabin C. engine room D. boat deck