“weld defect”的概念、定义、翻译、参考文献-科学参考

单词	weld defect
释义	weld defect Encyclopedia 工学焊接冶金释 weld defect焊接缺陷由焊接引起的，在焊接接头中的金属不连续、不致密或连接不良的现象。
随便看	foamy urine focal focal adhesion focal area focal axis focal chord focal circle focal conic focal conic defect focal conic texture focal cubic focal curve focal developable surface focal distance focal distance, focal length focal ellipse focal extender focal hyperbola focal image focalization focalizer focal length focal length factor of photographic lens focal length measurement of optical part and optical system focal line

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。