用于向料斗、料仓或料库堆垛中卸料及布料。 在输送机螺旋槽体的底部任意要求的长度开口卸出物料。 物料堆积起来形成一自然料堆，后面继续来的物料通过料堆送到未卸科的地方。
Suspension bearing screw conveyor tail section spiral with a standard, this form of unloading arrangement may be free to material unloading to the silo or storage piles and similar places.
探讨了沥青混合料流层流和紊流流动型态的界定及流动特性；分析了沥青混凝土摊铺机螺旋分料器的输送机理和沥青混合料粒料在螺旋布料器作用下的运动规律。
Based on the physical characteristics of bituminous mixture in the process of paving, hydromechanics is put forward to study the bituminous mixture flow's movement feature in the spiral-feeder.
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