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以硼、铬取代镍、钼合金还可使磨辊的生产成本有所降低。
Also, the use of boron and chromium, instead of nickel and molybdenum, can lower the cost of roller.
youdao
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以硼、铬取代镍、钼合金还可使磨辊的生产成本有所降低。
Also, the use of boron and chromium, instead of nickel and molybdenum, can lower the cost of roller.
youdao