... barrel-type pump 多级离心泵 barrel-type roll piercing mill 桶式轧辊穿孔机 barrel-type tappet 筒形挺杆 ...
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barrel-type roll piercing mill 桶式轧辊穿孔机
barrel type roll piercing mill 带桶形轧辊的穿孔机
barrel-type e roll piercing mill 桶式轧辊穿孔机
barrel-type å roll piercing mill 桶式轧辊穿孔机
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