fast-slow reactor快慢: speed慢反应: slow reaction; slow response缓慢反应: deferred reaction缓慢反应物: slow reacting substance慢反应区: slow response region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:快慢反应器,即可在微信中查询翻译