第三溶剂是含氯氟碳氢化合物。
第一溶剂是含氟碳氢化合物，第二溶剂是二氯乙烯，和第三溶剂是含氯氟碳氢化合物。
The first solvent is a hydrofluorocarbon , the second solvent is a dichloroethylene and the third solvent is a hydrochlorofluorocarbon.
第一溶剂是含氟碳氢化合物，第二溶剂是二氯乙烯，和第三溶剂是含氯氟碳氢化合物。
The first solvent is a hydrofluorocarbon , the second solvent is a dichloroethylene and the third solvent is a hydrochlorofluorocarbon.
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