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3. The annular pipe arrangement shown in the figure below is made of stainless steel and the outer surface is insulated. Air

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naこ0.ORL b,26 aun Va 09413 0,023 /しc= D,-0.025m M0.8169-7032 ω4wk --s.ro 1xtoy s.qbIx15. ฯ _ 0. 0013o m=0, 8 之0.330.037- 0 025 2 hA ス 0.00 0,000千 AT 0,076 1176:6547 W

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