In a_____boiler the water flows through the inside of the tubes while the hot gases pass around the outside.
A.
water-tube
B.
fire-tube
C.
exhflust-gas
D.
none of above
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参考答案:
举一反三
【简答题】Chinese writer Mo Yan won the Nobel Prize in Literature in 2012. Mo, who was born in 1955 into a farmer’s family in Gaomi County in Shandong Province, is the first Chinese national to win the No...