单词	油萃取器
释义	油萃取器oil extractor
随便看	matrix storage system matrix structure matrix sum matrix switch matrix switch by current coincidence matrix table matrix theory matrix trace matrix transformation matrix-- transmission matrix transpose method matrix transposition matrix tree theorem matrix unguis matrix unit matrix unit, matrixer matrix velocity matrix， collision matrix， core matrix， correlation matrix， energy-impulse matrix， impedance matrix， muller matrix， muller (or density) matrix， parity check