英语词汇sectional valve怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	sectional valve
释义	sectional valve 简明释义分区阀门专业释义 1 经济学分区阀门双语例句 1 Through needle valve can change the tee cross-sectional of low-flow adapter, thus changing the sample flow, and thus able to meet the requirements of toxicology sampling norms. 通过在一定的范围内人为改变低流量适配器三通旁支管的断面面积来改变采样流量，从而满足对酯类、腈类等气体采样规范的要求。
随便看	from end to end Froment Fromental Fromental Halevy fromentin Fromentine froment sign Froment's paper sign fromenty Fromer Frome, River Frome from everlasting from everlasting to everlasting from every pore from every quarter from every side from experience from far from far and near from far and wide from far away from far off from father to son from fear

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。