“upper cofferdam”概念、定义、翻译-科学时代

单词	upper cofferdam
释义	水利水电词汇手册 upper cofferdam 上游围堰
随便看	treetop tree-top alternative treetop height bombing treetop level defense tree transplanting machine tree-trunk coffin tree view tree volume tree-walk protocol tree zone treflan trefoil trefoil trefoil trefoil arch trefoil knot trefoil stage trefoil stage trehala trehalase trehalase trehalose trehalose trehalose trehalose

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

upper cofferdam