英语语法分析

Vinyl Chloride, tetrachloroethylene, dichloroethene, and benzene are all chemicals that could cause health problems in high doses.

氯乙烯，四氯乙烯，二氯乙烯和苯都是高剂量可能引起健康问题的化学物质。

Criteria for a Recommended Standard: Occupational Exposure to Tetrachloroethylene (Perchloroethylene).

准则一建议的标准：职业暴露四氯乙烯(氯乙烯)。

Concerning exposures to specific chemicals, tetrachloroethylene is identified as the most commonly used solvent during the last two to three decades.

关于风险的具体化学品，四氯乙烯是被确定为最常用的溶剂，在过去两至三数十年。