【第 4 段建议】: 1. “construction recycling industries”应为“construction, recycling industries”。 2. “like a demolition site or a quarry face)”应为“like a demolition site or a quarry face),”。 3. “cost”后应加上句号。 --- 【第 5 段建议】: 1. "C&D" should have the ampersand replaced with "and" for consistency with "Construction and Demolition (C&D) Waste." 2. In the bullet point list under "Mobile crushers are incredibly versatile and can process a wide array of materials," there should be a period after "river rock," "asphalt," "rock," and "slag" for consistency with other bullet points that are sentences. 3. In "What is the Difference Between Tracked and Wheeled Mobile Crushers?", there should be a period after "demanding applications" and "simpler relocation" for consistency with other bullet points that are sentences. --- 【第 7 段建议】: 1. "WhatsApp" 应为 "WhatsApp:" 2. "Materials (brochures, catalogs）" 中的右括号应为英文右括号 ")"。 3. "Demand(multiple):" 中的 "Demand(multiple):" 应为 "Demand (multiple):"（需留空格）。 4. “Get Solution & Quotation” 和 “Get Solution Online Chat” 中的 “Get” 第一个字母应小写为 “get” 以保持风格一致。 5. "7 Types of Stone Crusher and How to Choose the Best?" 中的问号不应使用。 6. “Contact Us” 和“Legal Notice” 之间应添加“|”以保持格式一致。 无错误