词汇	vacuum air pump
释义	vacuum air pump 真空泵
随便看	linear movements linear movement zone linear-moving and rotating parts linear-moving parts linear MSE equalizer Linear mti linear mucosal striation linear muhiuser detection linear mulfimode circular army linear multi-Channel algorithm linear multi color bar codes linear multi-color bar codes linear multi detector scan linear multi-detector scan linear multilevel programming linear multilevel programming problem linear multiparameter system linear multiple accelerator linear multiple discriminant analysis linear multiple regression linear multiple regression model linear multiplex linear multiplexing temperature tool linear multiplication order linear multiplier