“大滚筒”用英语怎么说

大滚筒, 大开门设计, 烘干速度快, 投衣取物更方便.Big roller drum, vast door, quick speed dry, and operate conveniently.整机由大滚筒系统、布料系统 、 刮刀系统和自控系统等组成.The machine is consisted of big drum, applicator rolls, scraper and automatic control system....