According to the way the energy of the exhaust gases is utilized， pressure-charging can be divided into two main systems， namely， the constant-pressure system and （）.
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举一反三
- In the （） pressure charging system the pulse of energy that occur as the exhaust is released from the cylinder to improve the output of the turbocharger.
- Turbocharging system may be designed to operate on either the （） or the constant pressure exhaust system.
- In a constant pressure process for a closed system, the internal energy change of the system is equal to the sum of the heat exchanged and the work.
- The pressure-reducing circuit can change the pressure of the main system。
- The pressure-reducing circuit can change the pressure of the main system。 A: 正确 B: 错误
内容
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The<br/>pressure-reducing circuit can change the pressure of the main<br/>system。(<br/>)
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In a constant pressure process for a closed system, the enthalpy change of the system depends on the heat exchanged.
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According to the different causes, gap flow can be divided into three types: differential pressure flow, shear flow and ( ) flow.
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According to the content, the offer can be divided into two main types: ___1___ offer and ____2___offer.
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According to the video, the following causes can make self-steem pressure for teenagers( ) A: Self-image B: Constant criticism from parents or teachers. C: Unrealistic expectations From parents or teachers.