词汇	double-bladed knife switch
释义	double-bladed knife switch 双闸刀开关
随便看	substitution deletion and insertion error substitution deletion and insertion errors substitution derivate substitution derivative substitution detector substitution device substitution directive substitution dril substitution drill substitution drills substitution economy substitution effect Substitution effectof a price change substitution effects substitution electrophilic bimolecular substitution electrophilic unimolecular Substitution encryption substitution error substitution extraction substitution first-parst jot substitution forecasting substitution forest substitution form substitution formula substitution for oil