【第 1 段建议】: 1. "lmpact"应为"Impact"（小写字母l应为大写字母I）。 2. "l"在"Vertical Shaft lmpact Crusher"中为错误，应该是"Vertical Shaft Impact Crusher"。 --- 【第 2 段建议】: 发现的问题： 1. "interests on" 应改为 "interests in" 2. "the high quality machine" 应改为 "a high-quality machine" 3. "grinding mil output" 应改为 "grinding mill output" 4. "the machine is easy to be oxidation" 应改为 "the machine is easy to oxidize" 5. "the factors which will have influence on" 应改为 "the factors that will influence" 6. "the material characteristic" 应改为 "the material characteristics" 7. "the hardness is small" 表达不够清晰，可以改为 "the hardness is low" 8. "This output range is depending on" 应改为 "This output range depends on" --- 【第 3 段建议】: 1. "Demand(multiple)" 应该为 "Demand (multiple)"，加上空格。 2. "brochures, catalogs）" 中的右括号应该是英文状态下的 ")"，而不是中文状态下的 "）"。 3. "WhatsApp:+86 13761974616" 中的冒号应该有一个空格，改为 "WhatsApp: +86 13761974616"。 4. "Sales Hotline: 0086-21-58386189 " 中的第二个电话号码前多了一个空格，应该去掉。 5. "Tiktok" 应该为 "TikTok"，修正为正确的拼写形式。