Since about 1890, the sulfite process has been well established pulping process until about 1937, when it was superseded in importance by the sulfate process.
从1890年起直到1937年被硫酸盐法制浆取代之前，亚硫酸盐法制浆一直是应用最广泛的制浆方法。
Since about 1890, the sulfite process has been well established pulping process until about 1937, when it was superseded in importance by the sulfate process.
从1890年起直到1937年被硫酸盐法制浆取代之前，亚硫酸盐法制浆一直是应用最广泛的制浆方法。
应用推荐