If you're planning on drinking these bottles in the near - to mid-term, or if the bottles have alternative closures (screw caps, glass or plastic corks), this is not necessary.

如果你计划近期或中期就喝这些酒，或者这些酒瓶用的不是软木塞(螺旋塞、玻璃塞或塑料塞等)，你就不需要把酒瓶平放。

youdao

This is a worldwide manufacturer of plastic packaging products: bottles, caps, stock closures, performs, and packaging systems for both multinational and local companies.

其经营范围包括：塑料瓶、塑料盖、自封盖、预成型产品和其他塑料包装产品，提供客户百分百满意的塑料包装解决方案。

youdao

It is made from a recyclable, inert thermoplastic polymer used to store medicines a field where cork was abandoned 80 years ago thus answering many of the accusations hurled at plastic closures.

ECONOMIST: Plastic wine stoppers