PSP foam sheet unit adopts the up - to - date gondi double - stage high foam technology.

PSP的发泡板机组采用切合时宜贡德文双级高发泡技术.

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Double - stage air filter is standard equipment for dusty fields.

标配双级空气滤清器,适合于粉尘较多的作业场所.

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XZ Rotary - vane Vacuum Pump is a double - stage high speed direct coupled rotary - vane Vacuum pump.

2XZ型旋片式真空泵系双级高速直联旋片式真空泵.

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The working principles, characteristics and commercial application of P 40 double - stage pusher centrifuges were presented.

介绍了P40双级推料离心机的工作原理 、 性能特点及工业应用等.

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