词汇	递互
释义	递互 dì hù交替；替换。遞互
随便看	contingency factors contingency fee contingency-fee contingency fees Contingency Fighter Intercept Exercise Contingency filtering contingency financial plan contingency food Contingency Force Operations Contingency Force Pool contingency forces contingency forecast contingency forecasting Contingency for Movement contingency freight contingency fuel Contingency Fuel Recovery System contingency fund contingency funding contingency funds contingency gas sources contingency incentive contingency insurance contingency insurance clause contingency intelligence communications systems