When the coil power, the pilot valve by the spring return, pilot hole closed throttle valve chamber pressurized by the piston return spring and thrust, the electromagnetic valve is closed.
当线圈断电时，先导阀芯靠弹簧复位，先导孔关闭，阀腔由活塞节流孔增压和复位弹簧的推力，电磁阀关闭。
The shaft kiln can form eddying turbulence in a kiln chamber through utilizing pressurized air flow, and makes the material have even heating.
利用加压气流使窑室内形成涡旋紊流，使物料受热均匀。
Normally Open: When the coil is energized, the pilot hole closed, the valve chamber and pressurized by the piston return spring throttle thrust, the electromagnetic valve is closed.
常开：当线圈通电时，先导孔关闭，阀上腔由活塞节流孔增压和复位弹簧的推力，电磁阀关闭。
Centrifugal and mixed flow pumps pressurized water chamber is a common spiral-shaped, called the volute.
离心泵和混流泵常见的压水室是螺旋形的，称为涡壳。
When the coil power, the pilot valve by the spring return, pilot hole closed, the valve chamber and pressurized by the piston return spring throttle thrust, the electromagnetic valve is closed.
当线圈断电时，先导阀芯靠弹簧复位，先导孔关闭，阀上腔由活塞节流孔增压和复位弹簧的推力，电磁阀关闭。
The pressurized-water chamber design adopts rectangular section and half-spiral vortex chamber.
压水室设计采用矩形断面、半螺旋形涡室。
The effect of pressurized air supply system in the stairwell and pre-chamber pressure is better and can satisfy to the evacuation requirements.
对楼梯间和合用前室分别进行加压送风效果较好，能够满足疏散要求。
The effect of pressurized air supply system in the stairwell and pre-chamber pressure is better and can satisfy to the evacuation requirements.
对楼梯间和合用前室分别进行加压送风效果较好，能够满足疏散要求。
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