“密封环”概念、定义、翻译-科学时代

单词	密封环
释义	矿业工程技术词汇手册密封环 packing ring
随便看	average educational social cost average electrical load average energy density average error average error average error average error average error average error average error probability average excitation potential average expected income average expenditure average expenditure curve average expenditure per tourist per day average extra defective limit average fidelity (AvFid) average fixed cost average fixed cost average fixed cost average flow average flow of hot-water supply average frequency average frequency of salary increases average gain

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。