“top opening”的概念、定义、翻译、参考文献-科学参考

单词	top opening
释义	top opening 顶孔
随便看	piping erection drawing piping erosion piping hanger piping installation piping insulation piping layout piping line piping load piping-main scheme piping packing piping plan piping porosity piping shaft piping standard connected to the vessel piping system pip integrator Piplograptidae pip matching pip-matching circuit pipobroman pipotiazine pipotiazine palmitate pipper pipper image pipradrol

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。