99久久综合国产精品二区

问：如何在 O 形圈上涂抹99久久综合国产精品二区？

答：首先要把翱形图清洁干净，然后戴上手套涂抹薄薄的一层即可。&苍产蝉辫;

Q: How should I apply grease to an o-ring?

A: Our advice is that you don’t always need to use grease with an o-ring if it fits properly and is completely clean. If you decide grease is necessary, clean the o-ring as much as possible before applying a thin film of grease.

The easiest way to do this is to apply a small amount of grease between two fingers with a gloved hand. Excess grease should then be wiped away to leave a very light smear that can be seen as a sheen on the o-ring.

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