【第 3 段建议】: 1. “two VSI9532 sand-making machines” - 应为“two VSI9532 sand-making machines” (machine 是不可数名词，使用复数形式) 2. “VSI5X impact crusher which was” - 应为“VSI5X impact crusher, which was” (在关系从句之前需要逗号) 3. “the ratio of sand to gravel can be arbitrarily adjusted due to integrated design” - 应为“the ratio of sand to gravel can be arbitrarily adjusted due to an integrated design” (缺少不定冠词“an”) 4. “800TPH Tuff Crushing Plant IntroductionThe project” - 应为“800TPH Tuff Crushing Plant. Introduction: The project” (需要添加句号并添加冒号以分开句子) 5. “100-120t/h VU Tower-like Sand Making Plant The project supplies” - 应为“100-120t/h VU Tower-like Sand Making Plant. The project supplies” (需要添加句号以分开句子) 6. “SBM Website Map | Legal Notice | Contact Us” - 应为“SBM Website Map | Legal Notice | Contact Us.” (句子结尾缺少句号) 请检查并修正以上问题。