眼镜鼻梁架上的手动滑动件通过调整膜片形状来调节焦距。
A manual slider on the bridge of the eyeglasses adjusts the focus by changing the shape of the membrane.
该固定件包括一容置部，该滑动件可移动地装设在该固定件上。
The fixed part comprises a containing part; the sliding part can be movably arranged on the fixed part.
本发明公开了一种压缩机滑动件，改善了压缩机中滑动部件的性能。
The invention discloses a sliding piece of a compressor, which improves the performance of a sliding component in the compressor.
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