【第 1 段建议】: 1. "lmpact" 应为 "Impact" (大写字母'L'错用了小写字母'l') 2. "EPCO" 可能应该为 "EPC" (而非"EPCO"，若是错别字需确认) 3. "Minerals" 是否需要添加为单独类别，需上下文确认 需要上下文以确认是否存在其他潜在错误。 --- 【第 2 段建议】: 1. "usher Crush Granite?" 应为 "Can Usher Crush Granite?"（句子需要修正） 2. "the wear-resis" 应为 "the wear-resistant"（拼写错误） 3. "the wear parts of the hammer crusher faster" 中的 "faster" 应更准确为 "more quickly"（用词建议，以增加正式性） 4. "the above mentioned" 应为 "the above-mentioned"（缺少连字符） 5. "first stage crushing operation using jaw crusher; second stage crushing operation using cone crusher." 应为 "first-stage crushing operation using a jaw crusher; second-stage crushing operation using a cone crusher."（缺少连字符和冠词） 6. "the interaction of crushing cone and the mortar wall" 应为 "the interaction of the crushing cone and the mortar wall"（缺少冠词） 7. "the finished product is neat granule." 应为 "the finished product is a neat granule."（缺少冠词） 8. "one-time molding equipment" 应为 "one-time molding equipment."（句末缺少句号） 9. "But the initial investment cost is low, the later production cost is high." 句号应在 "high" 后（需要分句或使用连接词） 10. "the combination of jaw crusher and cone crusher which is more suitable" 应为 "the combination of the jaw crusher and the cone crusher that is more suitable"（缺少冠词和连词） 11. "return is high and the return speed is fast." 应为 "return is high, and the return speed is fast."（缺少逗号） 需要修正这些问题。 --- 【第 3 段建议】: 1. "Brochures, catalogs）" - 右括号应为英文格式，改为 "brochures, catalogs)"。 2. "WhatsApp:+86 13761974616" - "WhatsApp:"后应有一个空格，改为 "WhatsApp: +86 13761974616"。 3. "Sales Hotline: 0086-21-58386189" - "0086-21-58386189" 前后的逗号应为中文标点，使用英文符号时应有空格，建议改为 "Sales Hotline: 0086-21-58386189"。