【第 1 段建议】: 1. "lmpact Crusher" 应为 "Impact Crusher" (字母 'l' 应为 'I') 2. "Tower Sand-making System" 应为 "Tower Sand-making System" (建议不需更改，但可考虑是否统一用连字符或不连字符) 3. "EPCO" 应为 "EPCO" (如果为专有名词则无误, 若为拼写则需查看是否正确) 4. "2020-10-1" 应为 "2020-10-01" (日期格式需补齐) 请确认 "EPCO" 是否为特定名称。如果是，则可以忽略该条。如果不是，请提供正确拼写。 --- 【第 2 段建议】: 1. "series processes"应为"series of processes"。 2. "users to use"可以更简洁为"users"。 3. "the working principle and features of this kind sand making equipment"应为"this kind of sand making equipment"。 4. "when limestone was evenly sent"应为"when limestone is evenly sent"。 5. "it will be thrown to impact other limestones"中的"limestones"应为"limestone"。 6. "which instead of traditional square combination impact blocks"应为"which are instead of traditional square combination impact blocks"。 7. "Compare to the latter two, the rhombic combination impact blocks is good of performance"应改为"Compared to the latter two, the rhombic combination impact blocks are good in performance"。 8. "it can also strengthen the crushing capacity of sand maker"可以简化为"it can also strengthen the crushing capacity of the sand maker"。 9. "Compared to other sand making machine"应为"Compared to other sand making machines"。 10. "the service life of limestone sand making machine is 50% longer than that of them"应为"the service life of the limestone sand making machine is 50% longer than that of other sand making machines"。 11. "What’s more"应为"What’s more"（去掉转义字符）。 12. "low failure rate"应为"low failure rates"。 请确保以上修改都能完成。 --- 【第 3 段建议】: 1. "Sand making machine" 应为 "Sand Making Machine"（Consistency in capitalization） 2. "as soon as possible." 句末应加上句号（标点） 3. “WhatsApp”重复出现（去掉重复） 4. “Materials (brochures, catalogs）” 中的右括号应为英文括号（标点） 5. "To be Our Agent" 中的 "Our" 可以考虑改为小写以保持一致性（单复数一致性/风格） 6. "WhatsApp:+86"中的冒号后应有空格（标点） 以上是发现的问题。