何不利用看板？例如广告半透片、海报、布条、公车广告或招牌？
How about a billboard . . . a duratrans, a poster, a banner, a bus display, or a sign?
本发明采用先压制片心，然后在片心外包一层半透膜，再在半透膜上打至少一个小孔以使活性物质从半透膜内释放出来。
During the preparation, tablet core is first pressed and then coated with semi-penetrating film and at least one small hole is made in the semi-penetrating film for releasing the active matter.
本发明采用先压制片心，然后在片心外包一层半透膜，再在半透膜上打至少一个小孔以使活性物质从半透膜内释放出来。
During the preparation, tablet core is first pressed and then coated with semi-penetrating film and at least one small hole is made in the semi-penetrating film for releasing the active matter.
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