单词	钴60管
释义	钴60管cobalt-60 tube
随便看	deferred control word deferred credits deferred cycle deferred delivery deferred delivery service deferred dividend deferred echo deferred entry deferred exit deferred expense deferred futures deferred gratification deferred grazing deferred hedging deferred imitaiton deferred imitation deferred income deferred interrupt deferred i/o deferred job deferred judgment deferred junction deferred liabilities deferred liability deferred life annuity