In order to study deeply the technology of extruding straw and improve the performance of extrusion equipment, screw feeding device for chopped straw was developed, with its working properties tested.
为了深入研究秸秆膨化技术，完善膨化设备的功能，研制了秸秆螺旋喂料装置，并对其工作性能进行了试验研究。
It is concluded that the phase-feeding bring the milking performance of high yield cows into for play.
可见，阶段饲养新技术充分发挥了高产奶牛的产奶性能。
Investigators were not blinded to the study group assignment, but caregivers responsible for the infants' care and for feeding protocol performance were not part of the investigation.
研究者知晓研究分组情况，但负责婴儿护理和喂养的人员不参与研究。
Investigators were not blinded to the study group assignment, but caregivers responsible for the infants' care and for feeding protocol performance were not part of the investigation.
研究者知晓研究分组情况，但负责婴儿护理和喂养的人员不参与研究。
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