“氦龄”概念、定义、翻译-科学时代

单词	氦龄
释义	核科学技术词汇手册氦龄 helium age
随便看	pipe wall pipe wall gauge pipe welder pipe welding machine pipe well pipe whistle pipework pipe wrench pip fruit pi-phat PI (photogrammetric instrumentation) pipikaula piping piping piping piping piping piping and instrument diagram (P & ID) piping and instrument flow diagram piping bag piping design piping diagram piping distribution system piping system piping system drawing

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。