基本解释出灰门 清洗排放闸门英汉例句双语例句Clean the cushion of the ash-discharge door. If it is worn out, replace it by anew one.注意清灰口门子上的垫子,如有破损,应及时更换。www.dbll.com.cnclean-out door更多例句专业释义材料科学清洗排放闸门