【第 1 段建议】: 1. "Substandard Phenomenon" should be "Substandard Phenomena" to match plurality. 2. "Vertical Shaft lmpact Crusher" contains a lowercase "l" instead of an uppercase "I" in "Impact". 3. Inconsistent spacing around the "About" section; "About" should align with other headers. 4. "EPCO" should be checked if it is an acronym, but no error is immediately clear without context. 5. "More Languages" section is missing a period if it's intended to be a complete sentence. Note: There are some formatting inconsistencies such as varying spaces in the list which should be checked but are not purely spelling or punctuation errors. --- 【第 2 段建议】: 1. "4 Reasons About Discharge Output Substandard Phenomenon In Mobile Crusher" - should be "4 Reasons for Discharge Output Substandard Phenomenon in Mobile Crusher" (preposition usage and capitalization). 2. "analyze the reason about the decline of production capacity or solve the discharge output substandard phenomenon" - should be "analyze the reasons for the decline in production capacity or solve the discharge output substandard phenomenon" (pluralization and preposition usage). 3. "the increase of the circulation and increase the wear of mobile crusher" - should be "the increase in circulation and the increase in wear of the mobile crusher" (preposition usage and article usage). 4. "size of raw material must conform to the requirements of mobile crusher" - should be "size of raw material must conform to the requirements of the mobile crusher" (article usage). 5. "increase the discharge opening size, increase the circulating load, the final products will have better shape" - should be "increase the discharge opening size, and increase the circulating load, the final products will have a better shape" (conjunction and article usage). 6. "shape of final products get better" - should be "shape of final products gets better" (subject-verb agreement). 7. "open cycle crushing mode is called screening before crushing while closed" - sentence is incomplete and should be finished for clarity. --- 【第 3 段建议】: 1. "so does the content of needle-like particles" 应为 "so does the increase in the content of needle-like particles" 以保持句子结构一致性。 2. "operators can choose open or closed cycle crushing mode" 应为 "operators can choose between open or closed cycle crushing modes" 以保持单复数一致性。 3. "the product particle shape is better" 更自然的表达是 "the particle shape of the product is better"。 4. "Get Price More" 应为 "Get More Prices" 更符合语法。 5. "WhatsApp" 在前面和后面重复。 6. "Demand(multiple):" 应为 "Demand (multiple):" 增加空格。 7. "Materials (brochures, catalogs）" 应为 "Materials (brochures, catalogs)" 关闭括号的符号不一致。 请纠正以上错误。