The fire water system in residential buildings and shopping malls is similar to that on ships, but the difference is that the fire-fighting water on land is generally fresh water provided by the tap water network, and the fire-fighting water on ships is generally sea water provided by_____.
A: fire pump
B: emergency fire pump
C: daily water pump
D: A or B
A: fire pump
B: emergency fire pump
C: daily water pump
D: A or B
举一反三
- Though sea water is the best mode of fighting fire, the main emergency fire fighting system can only be used on fires of ________.
- What are The Five Elements ? A: wood, fire, earth, metal, water B: wind, fire, earth, metal, water C: wood, fire, earth, metal, rice D: wood, fire, earth, ray, water
- In the Five Elements, some of them support each other, like___. A: water and fire B: water and earth C: metal and wood D: fire and earth
- Water and fire are the signs of Yin and Yang.
- Dai medicine holds that there are four towers of wind, soil, water and fire in nature, while the human body is also composed of four towers of _____, _____, fire and soil.? wind (breath), water (saliva)|wind (qi), water (saliva)|wind (breath), water (blood)|wind (qi), water (blood)