There are two main types of pulping ------ chemical and mechanical ------ and they produce substantially different fiber characteristics.
机械浆制浆主要有两种方法——化学法和机械法，两种方法所得到的浆料特性有很大差别。
There are two main types of pulping ------ chemical and mechanical ------ and they produce substantially different fiber characteristics.
机械浆制浆主要有两种方法——化学法和机械法，两种方法所得到的浆料特性有很大差别。
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