将抹布浸入醋里,然后擦拭表面。[3]{"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/c\/c1\/Remove-Hard-Water-Spots-Step-10-Version-4.jpg\/v4-460px-Remove-Hard-Water-Spots-Step-10-Version-4.jpg","bigUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/c\/c1\/Remove-Hard-Water-Spots-Step-10-Version-4.jpg\/v4-760px-Remove-Hard-Water-Spots-Step-10-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":760,"bigHeight":570}2用水软化剂(粉末状或液状)。