單項選擇題

據(jù)統(tǒng)計，含水量小于0.3%的輕質(zhì)原油的熱傳播速度為().

(A)0.38～0.9m/h 
(B)0.43～1.27m/h 
(C)0.5～0.75m/h 
(D)0.3～1.27m/h

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