本发明涉及药物制剂领域，具体涉及双层渗透泵控释片制剂及其制备方法。

The invention relates to the drug preparation field, in particular to a two-layer osmotic pump controlled release tablet preparation and a preparation method thereof.

youdao

本发明涉及药物制剂领域，具体涉及双层渗透泵控释片制剂及其制备方法。

The invention relates to the drug preparation field, in particular to a two-layer osmotic pump controlled release tablet preparation and a preparation method thereof.

youdao