The inner parts of the drying tower and alkali subsider were reformed with the surf ace-treated regular plastic packing and the results are satisfactory.
用经
面处理的塑料规整填料,对干燥塔和碱沉降器内件进行改造,取得了满意的结果。
The inner parts of the drying tower and alkali subsider were reformed with the surf ace-treated regular plastic packing and the results are satisfactory.
用经面处理的塑料规整填料,对干燥塔和碱沉降器内件进行改造,取得了满意的结果。
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