... solid news board 全废报纸纸板 solid pulp board 单一浆种浆板 special food board 特种食品包装用纸板 ...
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The liquid-solid ratio concentration: in the pulp is according to the weight of the liquid weight and the ore board says that on symbols R said.
液固比浓度：是按矿浆中液体重量与矿石重量之比来表示，以符号R表示。
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