[制冷]冷却剂

booking agent───（演员等的）经纪人；（机票，戏票等的）人

booking agents───图书代理商

doping agent───[材]掺杂剂

selling agent───贩卖代理人

chelating agent───[化学]螯合剂；络合剂

cooling down───冷却，[制冷]降温；缓和运动；结束活动

cooling fan───冷却风扇

cooling fans───冷风扇

cooling out───vt.使放松；vi.寻求休息

cooling system means that water is used as a cooling agent to circulate though the engine.───水冷却系统是以水作为冷却介质用以在发动机中循环。

He also replaced the toxic ammonia that had been the original cooling agent.───他还更换了用作最早冷却剂的带毒性的氨水.

the environment temperature without environment pollution caused by chemical cooling agent.───没有化学制冷剂对环境的污染；

This product use special-purpose materials, bear cooling agent, against oil, grinding wheel froth and iron filings and so on;───该产品使用专用的材料，耐冷却剂、防油、砂轮沫和铁屑等等；