The notable characteristics of the blower are wide flow volume and rising pressure scope, durable structure, high volume efficiency, low noise and smooth operation.
该风机的显著特点是流量及升压范围大，结构坚固耐用，容积效率高，运行平稳噪音低。
Screw type rotors have high volume efficiency.
螺杆转子具有较高的工作效率。
The technical project adopted in present invention can help control remaining gap of the air cylinder as little as possible to improve volume efficiency.
采用本发明的技术方案，可以将气缸的余隙尽可能控制得小，以提高容积效率。
First according to the main factors affected to the inhaled volume efficiency, an inhaled volume efficiency measurement and test device of high density sticky material was developed.
首先针对影响吸入容积效率的主要因素，研制了一种高浓度黏稠物料吸入容积效率测试装置。
Switching power amplifier has advantage over volume, efficiency and power dissipation because of its high efficiency.
开关功率放大器由于具有很高的效率，在体积、效率和功耗要求较高的场合具有很大的优势。
Switching power amplifier has advantage over volume, efficiency and power dissipation because of its high efficiency.
开关功率放大器由于具有很高的效率，在体积、效率和功耗要求较高的场合具有很大的优势。
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