輪機(jī)英語船舶動(dòng)力裝置單項(xiàng)選擇題每日一練(2019.01.23)

來源：考試資料網(wǎng)

1 A level gauge for a tank is to （）.

2 Before using or operating any equipment, you should first （） its manual thoroughly and understand its contents（）.

3 It is necessary to remove （） from the cooling spaces.

4 The pressurized air is usually cooled to increase the charge air （）.

5 The plunger may be rotated in the barrel by a rack and （） on a sleeve which is keyed to the plunger.