Clean the filter element with a brush.用刷子清洁滤芯。
A.A brush is cleaned by the filter element. B.The filter element and a brush are clean. C.Use a brush to clean the filter element.正确答案C
Clean the filter element with a brush.用刷子清洁滤芯。
A.A brush is cleaned by the filter element. B.The filter element and a brush are clean. C.Use a brush to clean the filter element.正确答案C
