lower limb缘: reason下: below; down; under; undernea ...下边缘: lower edge; lower limb下边缘板: inframarginal下边缘浇口: bottom edge gate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:下边缘下缘,即可在微信中查询翻译