A device used to capture grease in wastewater before it enters the sewer system. Also called a grease trap.
污水系统前收集水中油脂的装置, 也称作油脂搜集器。

COMPARISON BETWEEN TRAP PCR ELISA ANS TRAP PCR PAGE TO DETECT TELOMERASE ACTIVITY IN NASOPHARYNGEAL CARCINOMAS
测定鼻咽癌端粒酶活性的比较

In this paper, the heat transfer of the gas in the spiral coil cold trap of the freeze dryer has been studied analytically.
从理论上分析了螺旋盘管式冻干机冷阱中气体的换热。

Making his way through the tainted crowd, dispersed up and down this hideous scene of action, with the skill of a man accustomed to make his way quietly, the messenger found out the door he sought, and handed in his letter through a trap in it.
肮脏的人群满布在这种恐怖活动的现