constancy of angleconstancy of interfacial angles面: face角: role; part; character守恒: conservation; conserve面角守恒定律: law of constancy of interfacial angle面间角守恒定律: law of constancy of interfacial angle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:面角守恒，即可在微信中查询翻译
