搅拌混匀,直到成糊状。{"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/3\/3a\/Clean-Copper-Step-17.jpg\/v4-460px-Clean-Copper-Step-17.jpg","bigUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/3\/3a\/Clean-Copper-Step-17.jpg\/v4-760px-Clean-Copper-Step-17.jpg","smallWidth":460,"smallHeight":306,"bigWidth":760,"bigHeight":505.27472527472526}2慢慢加入少量面粉,拌成糊状,至到完全混匀。{"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/3\/3c\/Clean-Copper-Step-19.jpg\/v4-460px-Clean-Copper-Step-19.jpg","bigUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/3\/3c\/Clean-Copper-Step-19.jpg\/v4-760px-Clean-Copper-Step-19.jpg","smallWidth":460,"smallHeight":306,"bigWidth":760,"bigHeight":505.27472527472526}4等待15分钟至1个小时。{"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/b\/ba\/Clean-Copper-Step-22.jpg\/v4-460px-Clean-Copper-Step-22.jpg","bigUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/b\/ba\/Clean-Copper-Step-22.jpg\/v4-760px-Clean-Copper-Step-22.jpg","smallWidth":460,"smallHeight":306,"bigWidth":760,"bigHeight":505.27472527472526}2等待几分钟。{"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/1\/1a\/Clean-Copper-Step-24.jpg\/v4-460px-Clean-Copper-Step-24.jpg","bigUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/1\/1a\/Clean-Copper-Step-24.jpg\/v4-760px-Clean-Copper-Step-24.jpg","smallWidth":460,"smallHeight":306,"bigWidth":760,"bigHeight":505.27472527472526}4清洗铜器。立刻取出器皿,彻底清洗干净。