“pre-action fire sprinkler system”的概念、定义、翻译、参考文献-科学参考

单词	pre-action fire sprinkler system
释义	pre-action fire sprinkler system Encyclopedia 历史学博物馆技术防范释 pre-action fire sprinkler system预作用自动喷水灭火系统由闭式喷头、管道系统、雨淋阀、湿式阀、火灾探测器、报警控制装置、充气设备、控制组件和供水设施部件组成的灭火装置。
随便看	spherical domain spherical earth theory spherical element spherical equilateral triangle spherical excess spherical excess formula spherical fiber spherical field spherical form spherical Fourier transformation spherical free particle wave function spherical frustum spherical fuel element spherical function spherical galaxy spherical geometry spherical graphite spherical group spherical Hankel function of the first kind spherical Hankel function of the second kind spherical harmonic differential equation spherical harmonic expansion spherical harmonic function spherical harmonic method spherical harmonic oscillator

科学参考收录了854744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。