“street elbow”的概念、定义、翻译、参考文献-科学参考

单词	street elbow
释义	street elbow [`strēt ´el·bō] ^{DESIGN ENGINEERING} A pipe elbow with an internal thread at one end and an external thread at the other.
随便看	negative feedback negative g negative gene control negative glow negative-grid generator negative-grid thyratron negative impedance negative-impedance repeater negative indication negative integer negative interference negative ion negative-ion vacancy negative landform negative lens negative logic negative meniscus lens negative mirror negative modulation negative movement negative nodal points negative part negative pedal negative phase negative phase sequence

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。