So it's the same as q reversible plus w reversible.
它们是相等的，因此这也等于q可逆加w可逆。
w And that has to equal q plus w, summed up for all the steps.
等于q加，对所有过程相加。
Delta u is q plus w. Delta u isn't zero.
△U是q+w，△U不是零。
The coverage is W. P. A. plus Risk of Breakage.
投保的险别为水渍险减破碎险。
W. P. A. plus Risk of Breakage suit your goods.
贵方货物适合投保水渍险及破碎险。
W. P. A. plus Risk of Breakage suit your goods.
贵方货物适合投保水渍险及破碎险。
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