Fluid stains do not spread uniformly even over smooth single fibers.
流体污垢即使在光滑的单纤维上面也不会均匀分布。
Impeller has a single suction and double suction two suction fluid ways.
叶轮有双吸和单吸两种吸液方法。
In a single-species fluid, the subscript may be dropped.
对于单组分流体，这个下标可以省略。
In a single-species fluid, the subscript may be dropped.
对于单组分流体，这个下标可以省略。
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