【第 2 段建议】: 1. "whose grates can prescreen the material." → "whose grates can pre-screen the material." 2. "need" should be "needs" in "Because the customer need" → "Because the customer needs." --- 【第 3 段建议】: 1. "SBM didn't additional screen for him." 应为 "SBM didn't provide an additional screen for him." 2. "it's more economic and environmental." 应为 "it's more economical and environmentally friendly." 3. "less t" 应为 "less than." 4. "Construction Waste Crushing PlantMaterial: Constr" 应为 "Construction Waste Crushing Plant. Material: Constr." 5. "var browserWidth = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth;" 需要去掉该行中的代码（不属于文本内容）。 6. 不同地方的逗号、句点需确认遵循语法规则（例如“+86-21-58386189,58386176”中的逗号可改为“+86-21-58386189和58386176”。）。 请确认以上建议。