【第 1 段建议】: 1. "lmpact"应为"Impact"（字母'l'应为'I'）。 2. "求"应为"求". 3. "Products"一处在"Crushing & Screen"下的"Products"未标点符号。 4. "Aggregates"一处在"Cases"部分下的"Aggregates"未标点符号。 5. "EPCO"与"IoT Digital Solution"之间应添加逗号以分隔。 --- 【第 3 段建议】: 1. "sometime"应为"sometimes"。 2. "cone crusher"应为"cone crushers"。 3. "also called"应为"also called a"。 4. "set up"应为"sets up"。 5. "high efficient"应为"highly efficient"。 6. "discharge all line"应为"discharge along the line"。 7. "SBM provide"应为"SBM provides"。 8. "that has proved"应为"that have proved"。 9. "married to a fully tracked chassis"应为"coupled with a fully tracked chassis"。 --- 【第 4 段建议】: 1. "thiopia" 应为 "Ethiopia" 2. "Ethiopia’s" 中的字符错误，应为 "Ethiopia's" 3. "including Africa" 中的“including”可能与前文的上下文不一致。建议改为“including countries in Africa”以增加清晰度。