【第 1 段建议】: 1. "lmpact"应为"Impact"。 2. "performan"应为"performance"。 --- 【第 2 段建议】: 1. "ce advantages" should be "The advantages". 2. The phrase "the application of roller mills is relatively more and more" is awkward; consider rephrasing for clarity. 3. "The degree is continuously adjustable" should be "Its degree is continuously adjustable" for better clarity. 4. "grade 9" should ideally be "Grade 9" (capitalized) for consistency in naming. 5. "the material which is moderately dry" should be "the material that is moderately dry" for improved grammar. 6. "30-80 mesh coarse powder" should be "30 to 80 mesh coarse powder" for clarity. 7. "the finished powder that meets the product particle size requirements will enter the collection device output under the airflow." could be clearer, consider rephrasing. 8. "dust coll" seems to be an incomplete word; it's unclear what it's meant to represent—possible typographical error. Please consider reviewing these areas for improvement. --- 【第 3 段建议】: 1. "the sealing performance very good." 应为 "the sealing performance is very good." 2. "to help the powder increase production efficiency." 应为 "to help increase production efficiency of the powder." 3. “Get Price More” 应为 “Get Price More.” 4. "Demand(multiple):" 应为 "Demand (multiple):" 5. "Materials (brochures, catalogs）" 应为 "Materials (brochures, catalogs)" (使用英文括号而非中文括号) 6. "WhatsApp" 应该在前面统一格式，例如 "WhatsApp:" 7. “Phone” 和 “WeChat No.” 后面缺少冒号。 请根据这些发现做出相应的修改。