angle of wall friction壁: wall摩擦: rub; chafe角: role; part; character壁摩擦: wall friction摩擦角: angle of fiction; angle of fricition; angle of friction; frection angle; friction angle; frictional angel; frictional angle; sliding 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:壁摩擦角，即可在微信中查询翻译
