圆粒岩在该地区具有重要的历史作用。
在单室圆粒系统部分，本研究试图开发具有降低药物通过胃肠道时间与酸碱值影响性之及时控释剂型。
In single unit pellet system, this study attempts to develop a timely controlled release dosage form with minimization of transit time and pH effects of gastrointestinal tract.
聚烯烃粒料槽车是目前国际上应用较为普遍的一种聚烯烃粒料散装化运输设备，其尾部的卸料口系在标准圆封上的异形大开孔。
Mobile tank is a popular delivery equipment for bulk polyolefine grain product nowadays. The outlet on the back of tank is a large abnormal opening on elliptical head.
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