“spiral pipe drainage system”的概念、定义、翻译、参考文献-科学参考

单词	spiral pipe drainage system
释义	spiral pipe drainage system Encyclopedia 工学实验排水系统释 spiral pipe drainage system螺旋管排水系统由专用的内螺旋管材、特殊旋流器管件和底部异径管件所组成的特殊单立管排水系统。
随便看	principle of one-person，one-vote principle of one property one right principle of optical equivalence principle of optical path reversibility principle of optimality Principle of Option principle of oral argument principle of original horizontality principle of original lateral continuity principle of patent application principle of people's sovereignty principle of periodization principle of permanence principle of permutation principle of pertinence principle of phase modulation measurement principle of physical independence of forces principle of pigeon-nest principle of pleasant distribution principle of position principle of preservation of domain principle of private autonomy principle of proper training load principle of proportionality principle of protecting legal interests

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。