【第 1 段建议】: 1. "lmpact"应为"Impact"（字母“l”应为大写“I”）。 2. "Spiral Classifier"的"Spiral"和"Classifier"中间不需要额外的空格。 3. "Business"中的"other"应与项目分隔开，可能需要重新排版。 4. “艘”中的“Submerged”应为合并的“Submerged Spiral Classifier”。 5. "Aggregates"应该和下面的“Mining”项目分开行。 6. “HOME”、“BUSINESS”、“PRODUCT”、“CASES”可能需要统一大小写，以符合格式。 7. “Select Language ∨”中的箭头符号可能需要更明确的指示或替换。 注意：文本中的内容和排版可能有其他格式问题，但根据提交要求只列出了拼写、单复数和标点方面的问题。 --- 【第 2 段建议】: 1. "aymond" should be "Raymond". 2. "has" should be "have" in "Why does the Raymond mill has Serious Vibration?" 3. "horizontal plane" should be "the horizontal plane" for consistency. 4. "increasing feeding materials" should be "increase feeding materials" for parallel structure. 5. "What is the reason of low discharging powder amount of Raymond Mill?" should be "What is the reason for the low discharging powder amount of Raymond Mill?" 6. "do not has" should be "does not have" in "the grinding production system exhaust fan do not has the suitable air volume." 7. "classifying function and it will make" should have a comma before "and" for better clarity. 8. "operators" should be "Operators" at the beginning of the sentence. 9. "the host?" should be "the host." 10. "change the blade" should be "changes the blade" for parallel structure. 11. "The related solutions" should be "Related solutions" for consistency. 12. "the hard materials" should be "hard materials" for consistency. --- 【第 3 段建议】: 1. "est Ship Loader Manufacturers" 应为 "Best Ship Loader Manufacturers" 2. "Contact Us" 前应加上句号或其他标点符号以结束本段。 3. "Materials (brochures, catalogs）" 中的右括号应为英文格式，改为 "Materials (brochures, catalogs)"。 4. " Sales Hotline: 0086-21-58386189 0086-21-58386176" 之间应加上标点符号以分隔两个电话号码，比如说“Sales Hotline: 0086-21-58386189; 0086-21-58386176”。 5. "function(w,d,s,l,i){" 后面应加个空格，以保持清晰的格式。