aThe pump can be used for many purposes. The specification performance of any pump from any company may vary depending on your using purpose and your circumstances such as the shape of your aquarium or pond, the life population inside your aquarium or pond, fresh water or sea water and so ...
which used to transport clear water and some physical chemistry matters which are silimar to clear liquid ,and its temperature should not be more than 80 degree centigrade. This kind of pump owns some advantages as :compact small shape ,light weight,simple structure,low noise ,convenient for ...
【题目】If we can pump (抽运) all the water out, we can save the ship from s __. 相关知识点: 试题来源: 解析 【解析】答案:sinking核心词汇:save:救句子译文:如果我们把所有的水都抽走,我们可以救出沉船。解析:根据句意和首字母用动词sink:下沉,from后面用动名词sinking。 反馈 收藏 ...
It can be used to transfer clean water or other liquids similar to water in physical and chemical properties.It is suitable for industrial use and fire fighting,garden irrigation,long-distance water transfer,heating ventilation and air controlling,circulation and pressure boosting for c...
"The new technology is also useful for cooling, as the sound wave can replace the compressor in refrigerators and air conditioners. Other possible uses are ventilation, power generation and water purification," they added.■
Vertical axial flow pumps are suitable for applications of big flow with low total head.1. Agricultural drainage and irrigation;2. Water supply and drainage of power station;3. Urban flood prevention;4. Urban water supply;5. Water supply and drainage of docks;6. Thermoelectricity station ...
aFor ground water heat pump, the most important thing is to recharge or inject the ground water into aquifer. If the ground water can not be recharged effectively, it must cause some serious geological pollution in the future and waste the water resource, and the ground water heat pump techn...
This pump is shipped in 115-volt form, but you can choose to change it to 230-volts if you need to. However, keep in mind that dual-voltage pumps are not always cheaper. When choosing an external water fountain pump, make sure you know the electrical requirements for your home. A pump...
If we can pump (抽运) all the water out, we can save the ship from___.30.推理判断题。根据文章可
It can be used to transfer clean water or other liquids similar to water in physical and chemical properties.It is suitable for industrial use and fire fighting,garden irrigation,long-distance water transfer,heating ventilation and air controlling,circulation and pressure boosting f...