【第 1 段建议】: 1. "Sand vibrating screen uses in the sand production line" - 应为 "The sand vibrating screen is used in the sand production line" 或 "Sand vibrating screens are used in the sand production line"。根据上下文需确认是单数还是复数。 2. "lmpact" - 应为 "Impact"，字母"L"错误。 --- 【第 2 段建议】: 1. "tion line" - 应为“production line” 2. "the newly opened markets around the market are generally The same" - "The" 应为小写，即“the same” 3. "opening the field is very demanding, like sand vibrating screen, sand making in the sand field." - “sand vibrating screen”前应加“the”，即“the sand vibrating screen” 4. "the battlefield" - 应为“the field”或“the sand field” 5. "determine whether the entire field can run smoothly, and the advantages and disadvantages of these equipments." - "equipments" 应为“equipment”，因为“equipment”不可数 6. "sand vibrating screen is a more important equipment" - "is" 应为“is one of the more important pieces of equipment” 7. "if the vibrating screen can be environmentally friendly, For battlefield also provides a great help." - "For" 应为小写，即“for” 8. "compar" - 应为“comparison”，句子未完整 请根据以上问题进行修正。 --- 【第 3 段建议】: 1. "Stable" should be lowercase: "stable". 2. "vibrating screen sander" should be "vibrating screen". 3. "they will provide customers with more reasonable and economical sand production lines, not just for them." - this sentence is awkward. Consider rephrasing for clarity. 4. "WhatsApp" and "Phone" should not be on separate lines and should maintain consistent formatting. 5. "Demand(multiple):" should have a space: "Demand (multiple):". 6. “ Materials (brochures, catalogs）” should use a consistent closing parenthesis: “Materials (brochures, catalogs)”. 7. "WhatsApp:+86 1376197" should have a space after "WhatsApp:": "WhatsApp: +86 1376197".