The sample receiving chamber of the test strip has a working portion and a non-working portion and the top layer has a first portion and an opaque second portion.
所述测试条的样品接纳室具有工作部分和非工作部分，并且所述顶层具有第一部分和不透明的第二部分。
The sample receiving chamber of the test strip has a working portion and a non-working portion and the top layer has a first portion and an opaque second portion.
所述测试条的样品接纳室具有工作部分和非工作部分，并且所述顶层具有第一部分和不透明的第二部分。
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