“pneumatic valve”的概念、定义、翻译、参考文献-科学参考

单词	pneumatic valve
释义	pneumatic valve 气压阀
随便看	black phenolic ready mixed paint black phthisis black pickling black piedra black pigment black pipe black pitch black plaster blackplate black plate for tinning black pod black point black porch black-porch blanking level black positive black pottery black pottery with clay glaze black powder black precipitate black print black product black pure phenolic resin primer black quartz black rabbit skin plate black race

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。