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Modeling software claims strap is equal to one half the size of full diameter pipe.
建模软件声称皮带等于一个一半大小的全直径管道。
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The full pipe diameter of the pump entrance.
由于该泵进口管径合理，故其必须吸入压力较低。
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The full pipe diameter of the pump entrance.
由于该泵进口管径合理，故其必须吸入压力较低。
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