【第 1 段建议】: 1. "lmpact"应为"Impact"（字母“l”应为“I”）。 2. "Spiral Classifier"中的"Spiral"前后应为一个空格（前面的"High Weir"和"Submerged"后面多了一个空格）。 3. "Aggregation"应为"Aggregates"（首字母应为大写）。 4. 在"Localized Service" 和 "EPCO"两个词之间缺少逗号。 其余部分均无错误。 --- 【第 2 段建议】: 1. "was instead by" should be "was replaced by". 2. "it becomes the mainstream in the market for the material to make ball mill liner." should be "it has become the mainstream material for making ball mill liners." 3. "as we know," should start with a capital "A" to be "As we know,". 4. "feedback that the service life of the liner is very short, and invest cost too much." should be "and that the investment cost is too high." 5. "include" should be "including". 6. "could use welding repair method for emergency." should be "could use the welding repair method in emergencies." 7. "cleaning up its surface until meet the metal surface." should be "cleaning up its surface until it meets the metal surface." 8. "In order to firmly the liner put the graphite plugs into the liner bolt hole" should be "In order to secure the liner, put the graphite plugs into the liner bolt holes". 9. "the bolt hole not turn small." should be "the bolt holes do not become smaller." 10. "make the liner board face up." should be "make the liner face upwards." 11. "Welding electrodes." should be "Weld the electrodes." 12. "remove the burr around the welding slags sundry and lining board." should be "remove the burrs around the welding slag and lining board." 13. "It is better to be welded by the high technical level, operation skilled workers in the welding." should be "It is better to have it welded by skilled workers with high technical expertise." 14. "combination of surfacing welding layer," should be "combination of the surfacing welding layer,". 15. "can be used to repair the alloy steel ball mill liner." should be "can be used to repair alloy steel ball mill liners." --- 【第 3 段建议】: 1. "ycling Plant" 应为 "Cycling Plant" 2. "Sand Making Machine"、"Cone Crusher"、"Mobile Crusher"、"Vibrating Screen"、"Jaw Crusher"、"Impact Crusher"、"Raymond Mill" 之间应添加适当的标点符号。 3. "Demand(multiple):" 应为 "Demand (multiple):" 需要在“Demand”与“(multiple)”之间添加空格。 4. "WhatsApp:+86 13761974616" 应为 "WhatsApp: +86 13761974616" 需要在“WhatsApp:”与“+”之间添加空格。 5. "Sales Hotline: 0086-21-58386189" 和 "0086-21-58386176" 之间的格式不一致，应保持一致性。 6. "EPCO Service" 应为 "EPC Service" 7. "Localization Service" 建议修改为 "Localization Services" 以保持与其他服务的单复数一致性。 8. "Youtube" 应为 "YouTube" 9. "Tiktok" 应为 "TikTok"