短语词组短語Cancellable semimodules 可消半模right cancellable 右可消的Cancellable Policies 可撤銷保單cancellable lease 不可撤銷的租賃協議non -cancellable policy [保險]不能退保的保險單;繙譯congruence cancellable element 同餘可消元cancellable partial order 可消偏序 返回 cancellable