【第 1 段建议】: 1. "lmpact"应为"Impact"。 2. "Tower Sand-making System"的"Sand-making"建议改为"Sand Making"（通常更常见的表达）。 3. "EPCO"建议根据上下文使用原文或完整拼写确认，无需改动，但如果是“EPCO”的简称，建议保持一致。 上述这些建议需要根据具体内容上下文来判断其恰当性。 --- 【第 2 段建议】: 1. "porduction"应为"production"。 2. “It uses a high-speed rotor with wear-resistant materials to accelerate the material" 中的“material”应为“materials”，以保持与前面提到的复数形式一致。 3. "One of the significant advantages of a sand making machine is its ability to produce sand with a consistent gradation and shape."中“machine”前的“a”可以考虑更改为“the”以增加精确性。 4. “SBM's Four High-Quality Sand Making Machines”应为“SBM's Four High-Quality Sand Making Machine Models”以保持一致性。 5. “advancements”应为“advancement”以配合“significant”。 6. “vario”是一个不完整的单词，应补全为“various”。 --- 【第 3 段建议】: 1. "quartz,pebble" should have a space after the comma: "quartz, pebble". 2. "bigger capacity" should be followed by a period for consistency: "bigger capacity." 3. "aggregate- or sand-making fields" should use either "aggregate or sand-making fields" for clarity or "aggregate- or sand making fields" without the hyphen for consistency. 4. "y" at the end of the text appears to be incomplete or an error. --- 【第 5 段建议】: 1. "Demand(multiple):" 应为空格，应为 "Demand (multiple):" 2. "Materials (brochures, catalogs）" 右括号应为英文符号，应为 "Materials (brochures, catalogs)"