lagging
noun [ U ] uk/ˈlæɡ.ɪŋ/ us/ˈlæɡ.ɪŋ/
保温层，防冻层
a thick layer of material used to cover pipes, water tanks (= large containers), and other surfaces in order to stop heat from escaping or water from freezing
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。