英语词汇dragon beam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

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。

单词	dragon beam
释义	dragon beam 简明释义 n.支承背椽梁
随便看	development of formula development of gas development of heat development of high technology development of human development of humus development of intellectual resources development of land development of line development of management information systems development of manpower development of morality development of new products development of new technology development of nozzle development of ocean development of ovary development of periodontium development of photoresist development of plant genotypes development of power development of reservoir zone development of residential housing development of resource development of science