The PPI is formulated into a core material in the form of pellets, which are coated i. a. with a combination of a delayed release modifying layer and a lag time controlling layer.
将PPI制成小丸形式的芯材，小丸尤其用延释改进层和滞后时间控制层的组合包衣。
The PPI is formulated into a core material in the form of pellets, which are coated i. a. with a combination of a delayed release modifying layer and a lag time controlling layer.
将PPI制成小丸形式的芯材，小丸尤其用延释改进层和滞后时间控制层的组合包衣。
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