单词	火山灰材
释义	火山灰材pozzolan
随便看	plastic refractory plastic region plastic relief map plastic replica plastic rinser plastics plastic safety glazing material plastics and optical fiber communication plastics ball indentation hardness test plastics ball indentation hardness tester plastic--scintillation plastic scintillator plastic--scintillator plastic scintillator detecor plastic scintillator detector plastic scoop plastic scribing process plastic scribing sheet plastic seal plastic section modulus plastic section modulus of beam plastics-faced drawing board plastics foam plastic shading plastic shale