词汇	ball hardness number
释义	ball hardness number 布氏硬度值
随便看	electronic damping system electronic dance music electronic darkroom electronic data electronic data acquisiting electronic data acquisition electronic databank electronic data-processing machineedpm electronic data processing machine processor electronic database electronic databases electronic data calculator electronic data capture electronic data capture system electronic data communication Electronic Data Communications electronic data delivery Electronic Data Discovery electronic data display Electronic Data Displays electronic data edps system electronic data equipment electronic data exchange electronic data gathering equipment electronic data-gathering equipment