Permeability is measured by constant pressure air source blowing, core of the detector is micro differential pressure sensor.
透气性测定通过恒压气源吹气测压法实现，透气性探头的核心部件是微压差传感器。
Therefor, it is greatly significant to clarify the mechanism of sand blowing process so as to control the production of sand core.
由于砂芯通常采用射芯的方法来制造，因此，了解射砂过程的机理，并且在此基础上对射砂过程加以控制，就显得至关重要。
The most advanced Counter Blowing of Core Canister Impulse is adopted in dust-cleaning equipment, that makes high efficiency.
除尘装置采用世界上最先进的芯筒脉冲反吹式，除尘效率高。
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