【第 1 段建议】: 1. "lmpact"应为"Impact"（将小写字母"l"替换为大写字母"I"）。 2. "Semi-mobile"应为"Semi-Mobile"（首字母大写）。 3. "High Weir Spiral Classifier"中有两个空格，应去掉一个。 4. "Submerged Spiral Classifier"中有两个空格，应去掉一个。 5. "Tunnel Boring Machine"下的"Pipe Jacking Machine"应与其他设备列表一致，可能需要调整。"Pipe Jacking Machine"首字母应为大写。 6. "EPCO"可能是"EPCC"的误拼（需要确认具体术语）。 请根据实际情况进行修改。 --- 【第 2 段建议】: 1. "nature sand resources"应为"natural sand resources" 2. "does not supply"应为"do not supply" 3. "interest problem"应为"interesting problem" 4. "the right crushing equipment."后应加问号 5. "deviceand"应为"device and" 6. "is equivalent to a small crushing production lineincluding"应为"is equivalent to a small crushing production line including" 7. "meant less areas"应为"means less area" 8. "and more flexible and is very suitable"应为"and is more flexible, making it very suitable" 9. "with small output"后应加", especially in places" 10. "crushing pla"应为"crushing plant" --- 【第 3 段建议】: 1. "fixed crushing plant" should be "fixed crushing plants" to match plural form. 2. "there is need site foundation" should be "there is a need for a site foundation." 3. "It lacks of flexibility" should be "It lacks flexibility." 4. "has a certain requirements" should be "has certain requirements." 5. "the needs of the field" should be "the needs of the fields." 6. "accord their own actual situation to choose" should be "accord to their own actual situation to choose." 7. "including equipment selection, scheme design, technical support" should have only one space after the comma: "including equipment selection, scheme design, technical support." --- 【第 4 段建议】: 1. "Demand(multiple):" 应为 "Demand (multiple):"（在“Demand”和“(multiple)”之间加空格） 2. "brochures, catalogs）" 应为 "brochures, catalogs)"（将全角括号改为半角） 3. "WhatsApp:+86" 应为 "WhatsApp: +86"（在"WhatsApp:"和"+86"之间加空格） 4. "Sales Hotline: 0086-21-58386189 " 应该去掉最后的空格 5. "0086-21-58386176 " 应该去掉最后的空格 6. "Youtube" 应为 "YouTube"（更正为正确的拼写） 7. "Tiktok" 应为 "TikTok"（更正为正确的拼写）