【第 1 段建议】: 1. "Vertical Shaft lmpact Crusher" 中的 "l" 应改为大写 "I"。 2. "EPCO" 应确认是否为正确的缩写，若有错误应提供全称。 3. 在 "Home > blogs" 中的 "blogs" 应首字母大写为 "Blogs"。 --- 【第 2 段建议】: 1. "1Stone"应为"1 Stone"。 2. "Types of Stone Crusher and How to Choose the Best?"应为"Types of Stone Crushers and How to Choose the Best?"。 3. "Everything You Need to Know About Sand Making Machine"应为"Everything You Need to Know About Sand Making Machines"。 4. "Iron Ore Beneficiation Plant: Process and Equipments"应为"Iron Ore Beneficiation Plant: Process and Equipment"。 5. "How to make Raymond Mill get more fineness?"应为"How to make Raymond Mill get more fineness?"（句末应使用问号）。 6. "the grinding media of different materials, rolls and rings, are selected"中"are"应删除（主语为单数“media”）。 7. "the grinding media of different materials, rolls and rings"应为"the grinding media of different materials, roll and ring"（rolls和rings的主语应一致，且应为单数形式）。 8. "to prolong the service life of the vibrating screen and improve the production efficiency of the equipment..."中的"..."为不必要的省略符号，建议删除。 --- 【第 3 段建议】: 1. "Some crusher customers don't know how to choose equipment." - 应将'替换为'。 2. "the pressure acting on the working cylinder by the thrust plate of jaw crusher" - 应为"the pressure acting on the working cylinder by the thrust plate of the jaw crusher"。 3. "The flywheel is a very prominent big guy in the jaw crusher." - 或许可以改为 "The flywheel is a very prominent component in the jaw crusher."，虽然语法正确，但用词不够专业。 4. "What is the difference between the impact crusher and the fine crusher?" - 可以考虑去掉"the"变为"What is the difference between impact crusher and fine crusher?"。 5. "the noise pollution of the jaw crusher is that the size of the spiral cone of the crusher is large, and the worker is difficult to proces" - "proces" 应为 "process"。 6. "It not only pollutes the atmosphere, but in addition takes up a large level of land." - "level" 更合适的词是 "amount"或者 "area"。 7. "201" - 不完整，缺少日期信息。 请注意，这些问题在上下文中可能显得不那么重要，但有助于内容的准确性和专业性。 --- 【第 4 段建议】: 1. "Reasons And Solutions About Fracture In Vibrating Screen" - "And" should be changed to "and" (capitalization). 2. "According to principle of fracture mechanics" - should be "According to the principle of fracture mechanics" (missing article 'the'). 3. "one of the commonly used equipment" - should be "one of the commonly used pieces of equipment" (plural form for 'pieces of equipment'). 4. "which is widely used in mining, smelting, building materials..." - incomplete sentence; should ideally end with a complete thought or complete the list. 5. “It is the main crushing equipment in the stone production line configuration, because the” - incomplete sentence; it should complete the thought after "because the". 6. "What's the problem of sand making machine without starting?" - should be "What's the problem with the sand making machine that won't start?" (clarity and grammatical structure). 7. "Sand making machine's workload is relatively large" - should be "The sand making machine's workload is relatively large" (missing article 'The'). 8. "To be Our Agent" - should be "To Become Our Agent" (for clarity and consistency in phrasing). 9. "Materials (brochures, catalogs）" - closing parenthesis should be a standard parenthesis, should change from）to ). 10. "WhatsApp:+86 13761974616" - should be "WhatsApp: +86 13761974616" (add a space after the colon).