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A kind of filter plate of filtering
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A kind of filter screen of filtering
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A kind of bar of boring cutter
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A kind of column of the inside filled with liquid
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A kind of hydraulic cylinder piston rod
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A kind of tank extracted for effective ingredients in plant
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A method of it is extracted for effective ingredients in plant
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A kind of hydraulic pumping unit of pressure complementation
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A kind of driving mechanism that permanent-magnetism electromagnetic combines
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A kind of moveable pumping unit of counterweight center of gravity
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A kind of automatic regulating valve for hydraulic system oil inlet return flow
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The moveable pumping unit of counterweight on a kind of walking beam
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A kind of hydraulic system
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High-quality milk production method
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