“packing ring”的概念、定义、翻译、参考文献-科学参考

单词	packing ring
释义	packing ring [`pak·iŋ ´riŋ] See <<piston ring>>
随便看	plutology pluton plutonian plutonic plutonic breccia plutonic metamorphism plutonic rock plutonic theory plutonic water plutonism plutonium plutonium-238 plutonium-239 plutonium bomb plutonium oxide plutonium reactor pluvial pluvial lake pluviilignosa pluviofluvial pluviograph pluviometer pluviometric coefficient ply plymetal

科学参考收录了103327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。