A drill oil guide bushing is a mechanical component used to guide a drill bit into a workpiece while also lubricating the bit with oil or coolant to reduce heat and friction. It is a type of bushing designed specifically for use in drilling operations.
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Organic synthesis laboratory air purifier which uses the molecular-level chemical gas-phase filtration technology and the silver-copper ion high-efficiency filtration technology, can effectively remove various microorganisms in laboratory air, and provid