n.冷冻剂
The enquiry found that the light aircraft crashed after its engine seized up through lack of coolant. 调查报告表明，这架轻型飞机是由于发动机缺少冷却剂而失灵坠毁的。
For decades industrial plants have lined the shores, using water as a coolant. 工厂在几十年里就在湖边排列成行，利用湖水作为冷却水。
