【第 1 段建议】: 1. "Vertical Shaft lmpact Crusher"中的"l"应为"I"。 2. "Aggregates Belt Conveyor"中的"Aggregates"应为"Aggregate"以保持单一形式的一致性。 3. "EPCO"应为"EPC"（假设是常见缩写）。 4. "Vibrating screen so"后缺少结束标点。 --- 【第 2 段建议】: 1. "Summary："应为"Summary:"（去掉冒号后的空格）。 2. "a lot of very demanding requirements"建议改为"many very demanding requirements"（更为自然）。 3. "and the use of vibrating screens is very frequent."建议去掉“is very frequent”，“the use of vibrating screens is frequent.”更为流畅。 4. "the quality and fineness of materials"应为"the quality and fineness of the materials"（加定冠词“the”）。 5. "it also has large working noise, serious dust pollution and energy consumption. Higher problems."中的"higher"不当，建议修改为"high"（形容词使用）。 6. "the characteristics of smooth power transmission"应为"the characteristic of smooth power transmission"（单数形式）。 7. "the two sets of vibration sources, which reduces the self-wear and noise generated by the vibration of the equipment."建议在"the two sets"前添加"of"（更自然）。 8. "by adjusting the vibrating screen tensioning plate."应为"by adjusting the vibrating screen's tensioning plate."（所有格形式）。 9. "the screen can be tightly tensioned"建议改为"the screen can be tensioned tightly."（语序调整）。