主要是在玉刚砂混合液中起到搅拌、吸砂的作用，且具有排量大、无飞溅、温升低和泵体球墨铸铁制造等特点。
This series of quartz sand pump are characterized by large displacement, free of splashing , low temperature rising in the process of sand stirring and sucking . The body is made of ductile iron.
受到自然界龙卷风抽吸现象的启发，本文探索了空气旋流集中吸送物料的新途径，提出一种新的铸造吸砂装置方案——空气旋流加速器。
Cyclone accelerator is put forward as a new dispenser by means of the exploratory analysis of central cyclone suction, based on the suction phenomenon of tornado.
在车间改造中，去掉了原有的旧砂吸送系统，而导致型砂质量下降。
In renovation of the foundry shop, the original used sand suction system was dismantled, which caused lower quality of the molding sand.
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