堆码强度
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static pressure of furnace stack 炉身静压
We also study the carton pressure of stack. ,calculate how many layer we can pile and how to make it safety.
本文还研究了纸箱堆码强度，计算堆码层数及如何保证其安全性。
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The oil pressure will force it up into the heart of the stack of valves.
ECONOMIST: The Gulf oil spill
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