【第 2 段建议】: 1. Summary：应改为Summary: 2. 1, 2, 3, 4, 5, 6, 7. 应将逗号替换为句号，使其更加一致。 3. 6, equipment energy saving: single machine energy saving 15% ~ 30%, system energy saving more than doubled; 应删去冒号，并使用合适的标点。 4. 5 Things You Need to Know about Concrete Crusher 应为Concrete Crushers，需使用复数形式。 5. Please fill out the form below, and we can satisfy any of your needs including equipment selection, scheme design, technical support, and after-sales service. 应删去一个空格，保持标点前后空格一致。 6. Materials (brochures, catalogs）中的右括号应改为英文格式，应为Materials (brochures, catalogs).