【第 1 段建议】: 1. "lmpact"应为"Impact"（字母误用） 2. "EPCO"后面的空格应为“EPCO”或“EPCO”无空格（不一致） 3. "2019-0"后缺少完整的年份（不完整格式） --- 【第 2 段建议】: 1. "Summary：" --> "Summary:" (去掉多余空格) 2. "In order to make the production of powder more high quality and stable" --> "In order to make the production of powder higher quality and more stable" (语序调整) 3. "the powder conveying equipment is divided into A variety" --> "the powder conveying equipment is divided into a variety" (大小写错误) 4. "the raw ore material needs the powder conveying equipment from the storage point to the crushing grinder to the classifier to the next level classifier arrow to the storage bin" --> "the raw ore material needs the powder conveying equipment to go from the storage point to the crushing grinder, to the classifier, and to the next-level classifier, and then to the storage bin" (语法和逻辑不清晰) 5. "It can be said that the feeder is an indispensable device in the structure of the Raymond mill." --> "It can be said that the feeder is an indispensable device in the structure of Raymond mill." (去掉“the”) 6. "the dust pollution is low and the noise is low" --> "the dust pollution is low, and the noise is low" (缺少逗号) 7. "the fineness of the finished powder is uniform, and the screening rate is 99%, which is diff" --> 句子不完整，需要补全。 --- 【第 3 段建议】: 1. "the maintenance personnel will comprehensively evaluate the wear degree of the wear parts such as the grinding roller and the blade, if it needs to be replaced." - "if it needs to be replaced." should be revised for clarity, possibly to "and determine if they need to be replaced." 2. "and also have a basic skills to learn from the Raymond mill structure." - "a basic skills" should be "basic skills" (remove "a"). 3. "Demand(multiple):" - There should be a space after "Demand" (i.e., "Demand (multiple):"). 4. "Materials (brochures, catalogs）" - The closing parenthesis should be a standard one instead of the Chinese-style one, i.e., it should be "(brochures, catalogs)." 5. "SBM Blog" - Should be consistent in usage; if so, it should be formatted similar to the other headings (possibly "SBM Blog" with emphasis). 6. "IoT Servic" - Appears to be incomplete, should be "IoT Service." --- 【第 4 段建议】: 发现的问题： 1. "WhatsApp"后面应加空格和冒号，改为"WhatsApp: +86 13761974616"。 2. "Sales Hotline:"后面应加空格，改为"Sales Hotline: 0086-21-58386189"。 3. "Copyright © 2026"中的年份应为"2023"而不是"2026"。 4. 在"Website Map|Legal Notice|Contact Us"中，建议将"|"两边加上空格，改为"Website Map | Legal Notice | Contact Us"。 5. "Get Solution Online Chat"应改为"Get Solution | Online Chat"。 6. "Facebook"、"Linkedin"、"Youtube"、"Tiktok"应改为"LinkedIn"、"YouTube"、"TikTok"以符合官方拼写。 7. "Back"和"Top"需要加上适当的标点符号分隔。 8. 在JavaScript代码中，循环条件“i-1”是错误的，应为“i < tags.length”。 请根据以上问题进行修改。