基本解释[土木建筑工程]滚筒筛滤器词组短语短语rotary y drum screen 滚筒筛滤器rotary -screen drum 园网滚筒rotary screen drum 圆网滚筒saction rotary -screen drum dryer 吸风园网滚筒烘房专业释义土木建筑工程滚筒筛滤器