The properties of perchlorethylene (PER) are compared to those of water in relation to scouring processes in the textile finishing.
文
比较了四
和水(
织品
精练用)的性质。
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Certain chemical solvents that are still widely being used in the United States like trichloroethylene and perchloroethylene and the etiology of Parkinson's disease and related conditions like Lewy body dementia, which is the condition that my mom suffered from.
某些仍在
广泛使用的化学溶剂，
三
乙烯和四乙烯，以及它们与帕金森病及相关疾病（
亲所患的路易体痴呆）的病因关系。
