... hydrogen donor diluent visbreaking process 减黏裂化法 diluent material 冲淡剂 diluent modifier 稀释剂改性剂...
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When the B material is thick, can be diluted with a special diluent, must not be diluted with acid or oily thinner, so as not to affect the quality of the original product.
当乙料较稠时，可用专用稀释剂稀释，切不可用含酸性或含油性稀释剂稀释，以免影响原产品质量。
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