【第 1 段建议】: 1. "lmpact"应为"Impact"（字母"l"应为"I"）。 2. “Portal”应为“Portable”拼写错误。 --- 【第 2 段建议】: 1. "equip"应为"equipment"。 2. "the finished sandstone produced by the crusher is full of grain and high quality"应为"the finished sandstone produced by the crusher is full of grains and high quality"。 3. "the auxiliary materials"应为"the auxiliary material"。 4. "according to the workflow of the equipment and the technical knowledge provided by the seller"应为"according to the workflows of the equipment and the technical knowledge provided by the seller"。 5. "which are the active layout and the fixed layout"应为"which are the active layouts and the fixed layout"。 6. "device motor drives the device"应为"device motors drive the devices"。 7. "This movement occurs regularly and is very regular"此句重复，可以精简或重写。 8. "The materials used in different materials are completely different"应为"The materials used in different types of machines are completely different"或类似表达。 注意到文本整体重复出现相似表达，可能影响阅读流畅性。 --- 【第 3 段建议】: 1. "jaw crushing equipment, impact type crushing equipment, and composite type crushing equipment" - The items in the list should consistently use either a singular or plural form throughout. Consider changing "equipment" for uniformity. 2. "consultation" - Should begin with a capital letter as it's part of a heading or section. 3. "Post-sale Services" - This should be corrected to "After-sales Services" for consistency. 4. "WhatsApp" and "WeChat No." - Should maintain consistent formatting, particularly in capitalization. 5. "Catalogs）" - The closing bracket is incorrect; the standard is parentheses. It should be "catalogs)". 6. "Life-cycle Service" - It's preferable to use "Lifecycle Service" for consistency. 7. "Website Map|Legal Notice|Contact Us" - Words should be separated by spaces for clarity, e.g., "Website Map | Legal Notice | Contact Us".