航海英語探火與消防設(shè)備單項(xiàng)選擇題每日一練(2019.01.24)

來源：考試資料網(wǎng)

1 A CO₂ extinguisher on a ship which has lost 10% of its charge must be（）.

2 A spanner is a（）.

3 A combination or all-purpose nozzle produces（）.

4 A GROUP OF CREW MEMBERS TRAINED FOR FIGHTING FLOODING IN THE VESSEL are known as（）.

5 A CO₂ portable extinguisher is annually checked by（）.