试验机内部固相颗粒的运移规律，对其处理量和处理效果均有很大的影响。
The moving rule of the solids inside the machine all has great influences on its capacity and effect.
其装置简单、运行可靠、移相触发范围宽，运用到实际生产中效果好。
The device is simple in construction, reliable operation and wide in phase-shift trigger. The device has good effect in practical production.
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