octamethylcyclotetrasiloxane八甲基: prestox环: ring; hoop四: four硅氧烷: oxosilane; siloxane八甲基化环四硅氧烷: octamethylcyclotetrasiloxane下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:八甲基环四硅氧烷,即可在微信中查询翻译