也许我的论文应该写那些不透光的塑料瓶。
Maybe my paper should write about those opaque plastic bottles.
该塑料基底可为超高分子量聚乙烯，并且UV不透光涂层为未膨胀的聚四氟乙烯(“PTFE”)。
The plastic substrate may be ultra-high molecular weight polyethylene and the UV opaque coating may be unexpanded polytetrafluoroethylene (' PTFE ').
提供了一种具有塑料基底的用于水处理系统的流体流动引导器，该塑料基底具有大体上对UV光不透光的保护涂层。
A plastic fluid flow director for a water treatment system is provided having a plastic substrate with a protective coating that is substantially opaque to UV light.
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