单词	purification ability
释义	purification ability 净化水体
随便看	cross field multiplier cross-field multiplier crossfield pit pair crossfield pitting cross field pitting cross-field pitting crossfields cross-fields cross fields multiplier cross-fields multiplier cross field spectrometer cross-field spectrometer cross-field theory cross-field traveling tube cross-fertilize cross-fertilized Cross-fertilized offspring cross-fertilizeds cross field traveling wave tube crossfield type d.c.machine cross field type electron beam multiplier cross field type rotating amplifier cross-fertilizes cross fertilizing cross-fertilizing