“gas tracer”的概念、定义、翻译、参考文献-科学参考

单词	gas tracer
释义	gas tracer [¦gas `trā·sǝr] ^{MINING ENGINEERING} Dust clouds, chemical smoke, or gaseous or radioactive tracers used to detect slowly moving air currents in a mine.
随便看	sprocket sprocket chain sprocket hole sprocket pulse sprocket wheel spruce spruce oil spruce sulfite extract sprue sprue bushing sprue gate sprue puller sprung axle sprung weight SPST spud spudded-in Spumellina spun glass spun rayon spun silk spun yarn spur spur blight spur dike

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。