... back pressure of steam trap凝结水背压力 back pressure return余压回水 background noise背景噪声 ...
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back pressure condensate return system 余压凝结水回水系统
return line back pressure 回油管背压
Gap this month told investors it expects pressure from higher cotton costs to ease, helping it return to expanding merchandise margins, especially in the back half of 2012.
FORBES: Cotton's Pinch on Clothing Stores Continues
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