-
1.The chemical was used as a preservative in the food industry.
这种化学品在食品工业中用作防腐剂。
-
2. The process involves the reaction of sodium sulfide with sulfur dioxide to produce sodium sulfate.
这个过程涉及硫化钠与二氧化硫的反应，以产生硫酸钠。
-
3. The plant extracts water from the soil and uses it to produce sodium sulfate for fertilizer.
该工厂从土壤中提取水分，并使用它来生产硫酸钠作为肥料。