网络释义
net positive suction head 净正吸入压头 ; [力] 汽蚀余量 ; 净吸真空高度 ; 净吸入头
net positive suction height 净压吸高 ; 净有效吸水高
required net positive suction head 需用净正吸入压头 ; 需求吸水净扬程
net positive suction 净正吸入
net positive suction head required 必需净正吸上压头
NPSH Net positive suction head 净吸入头 ; 净正吸入压头
net positive suction head requirement 必须的汽蚀余量
net positive fluid balance 避免正净流液平衡
net positive overhead variance 正数净共同成本差异
双语例句原声例句权威例句
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When all those factors are put together and the economists calculate the numbers, it ends up being a net positive, but a small one.
当所有这些因素放在一起，并且由经济学家计算得出这些数字时，它最终的净值是正数，但只是一个很小的数。
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钠离子是带正电的。
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是的，这是正电。
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Now you have this situation where you have a droplet that is net negative or perhaps net positive.
现在的情况是那些液滴,可能是净负电，也可能是净正电。
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So, when we get really close together, granted, there is a net positive negative charge with a Coulombic force of attraction.
当它们真正离得很近时，假设有一个带正负电的电荷,带有库仑引力。
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And there is this separation which is a balance of attractive forces because the chloride is net negative and the sodium is net positive, but both of them, regardless of net charge, have electrons.
这里有一个平衡,引力的平衡,由于氯离子带有负的净电荷,钠离子带有正的净电荷，但是它们两个，没有考虑净电荷，电子。
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