As a "surfactant" or wetting agent and solvent, PG is actually the active component in antifreeze.

丙二醇是“表面活性剂”，或湿润剂、溶解剂，是防冻液中一种主要成分。

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As a "surfactant" or wetting agent and solvent, PG is actually the active component in antifreeze.

丙二醇是“表面活性剂”，或湿润剂、溶解剂，是防冻液中一种主要成分。

youdao