发布时间:2025-02-06 15:08:15
测量油封槽的直径作防尘圈的外径,活塞杆的直径作防尘圈的内径,测量油封槽的宽度,选择防尘圈的厚度略小于槽宽即可。
变频器电源侧装电磁接触器,电磁接触器的两端需加装R-C突波吸收器的R-C突波吸收器是什么东西啊
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