asperity contact粗糙: coarse; rough; crude面: face接触: come into contact with; get ...粗糙面: mat surface; matte side; rough surface; roughened surface; rugged face; uneven surface粗糙面水流: rough surface flow; rough-surface flow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:粗糙面接触，即可在微信中查询翻译
