proportioning concentration
... proportioner 比例混合器 proportioning concentration 比例混合液 proportioning mixer 比例混合器 ...
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该洗涤剂是以柴油为溶剂，以石油沥青为溶质，按浓度1―15％的比例制成混合液。
Said detergent is a mixed solution made up by using diesel oil as solvent, petroleum asphalt as solute and mixing them in 1-15% of concentration ratio.
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