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fluid pressure operated jacks

英 [ˈfluːɪd ˈpreʃə(r) ˈɒpəreɪtɪd dʒæks] 美 [ˈfluːɪd ˈpreʃər ˈɑːpəreɪtɪd dʒæks]

液压千斤顶

化学

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