“service life”的概念、定义、翻译、参考文献-科学参考

单词	service life
释义	service life [`sǝr·vǝs ´līf] ^ENGINEERING The length of time during which a machine, tool, or other apparatus or device can be operated or used economically or before breakdown.
随便看	base density base-displacement Basedow's disease base drag base elbow base electrode base exchange base flashing base flow base for the neighborhood system base fracture base fuse base-height ratio base initiation base insulator base language base level base-leveled plain base-leveling epoch base line base-line break base-line check base-line delay bromacetone bromacil

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。