从三废中回收和提取大量有用物质的英文

salvage large quantities of useful materials from the three wastes

• 从:    follow
• 三废:    the three wastes
• 中:    hit; fit exactly
• 回收:    retrieve; recover; ...
• 和:    mix; blend
• 提取:    draw; pick up; col ...
• 大量:    a large number; a ...
• 有用:    useful; serviceabl ...
• 物质:    matter; substance; ...