“人孔复式封盖”的概念、定义、翻译、参考文献-科学参考

单词	人孔复式封盖
释义	人孔复式封盖 double seal manhole cover
随便看	obligatory obligatory annual contribution obligatory apomict obligatory license obligatory parasite obligatory point obligatory presentation copy obligatory rule obligatory term obligee obligor obligue shock obligue shock wave oblique oblique air photograph strip oblique amputation oblique angle oblique angled triangle oblique-angle intersection oblique arch oblique ascension oblique asteroid oblique astigmation oblique astigmatism oblique astroid

科学参考收录了1248194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。