SOR/2011-15干洗问题
1)Fill the cylinder of the dry cleaning apparatus with 2.5L of perchloroethylene, and 270mL of dry cleaning soap, the specimen(s) and sufficient worsted test fabric in pieces approximately 300×300mm to make a total dry cloth load of 500g.2）Pour out the cleaning solution, replace with an equal amount of fresh perchloroethylene solvent and operate the apparatus for an additional 5 min. Repeat this operate three times.
an equal amount of fresh perchloroethylene solvent =2.5L of perchloroethyleneor2.5L of perchloroethylene, and 270mL of dry cleaning soap 个人认为是=2.5L of perchloroethylene, and 270mL of dry cleaning soap，不过不敢确定，请各位大侠赐教。:)
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