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  • The elongations of the leathers fatliquored by the sulfonated oil STO, sulfated castor oil and sulfated neatsfoot oil were better .

    磺化油STO、硫酸化牛蹄油和硫酸化蓖麻油加脂的坯革伸长率较大。

    youdao

  • The elongations of the leathers fatliquored by the sulfonated oil STO, sulfated castor oil and sulfated neatsfoot oil were better .

    磺化油STO、硫酸化牛蹄油和硫酸化蓖麻油加脂的坯革伸长率较大。

    youdao

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