【第 2 段建议】: 1. "vibrating feeder" should be "Vibrating Feeder" for consistency with other capitalizations. 2. "the PE69 crusher" should be "the PE69 Crusher" for consistency with other capitalizations. 3. "m" appears to be an incomplete word and may need to be resolved or clarified. Overall, "Mobile Crusher" and "Project Profile" should have consistent heading formatting. Note: There were instances of inconsistent capitalization. --- 【第 3 段建议】: 1. "aterials" 应为 "materials" 2. “those cannot be sieved out” 应为 “those that cannot be sieved out” 3. “first belt conveyor” 应为 “the first belt conveyor” 4. “it’s” 应为 “its” (在“it's more economic and environmental”中) 5. “Myanmar 120TPH Granite Crushing PlantMaterial: GraniteCapaci” 中“PlantMaterial: GraniteCapaci” 应为 “Plant. Material: Granite. Capacity:” 6. “decre” 应为 “decreased” 7. “80-100TPH” 中需要加空格，应为 “80-100 TPH” 8. “the portable crusher was finally chosen after careful compar” 中“compar” 应为“comparison”