| 摘要 |
Seed treating and conveying apparatus including a screw conveyor with an auger and an auger shaft operating within the auger tube and driven by a motor, an eccentric or cam rotated in direct relation to the rate of rotation of the auger shaft and operating a reciprocating positive displacement metering pump, the displacement of the impeller rod of the pump being adjustable to vary the quantity of liquid treating material applied to the seed in the auger tube during each revolution of the auger.
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