Using antifriction bearing and hard alloy for guiding and saw blade overload protection device.

采用滚动轴承和硬质合金的锯条导向装置和锯条过载保护装置.

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Therefore, the main function of antifriction bearing lubricants is to help prevent corrosion and dirt contamination.

因此, 减摩轴承润滑剂的主要作用是防止锈蚀和污垢.

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