The working principle of oil pump spur gears is that two gears rotate in the oil tank, one gear pressurizes the oil, and the other gear discharges the oil. When the gears rotate, the oil will be
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Its main structure consists of a U-shaped frame with two parallel wheels on both sides, allowing the trolley to roll steadily on flat ground.
These wheels are usually made of rubber or
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Large Pore Volume γ Alumina Sphere Catalyst Carrier GH-SDK This sphere is generally been used as precious metal catalyst carrier. It uses unique formula and forming technique to reach balance of large
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