A.立即保溫送檢(<1小時(shí)) B.送檢溫度應(yīng)高于40℃ C.用乳膠避孕套送檢 D.送檢溫度應(yīng)低于20℃ E.放置1小時(shí)后送檢
A.20% B.30% C.40% D.50% E.60%
A.>30% B.>50% C.>60% D.>70% E.>90%