tumbling box滚: roll; turn round; trundle磨: mill; millstones筒: a section of thick bamboo抽气摇摆滚磨筒: exhaust tumbling barrel抽气摇摆滚磨筒 排气滚净筒: exhausttumblingbarrel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:滚磨筒，即可在微信中查询翻译
