适用于螺杆挤压颗粒、摇摆颗粒、高速混合制粒颗粒。
Applicable to screw extrusion particles, rock particles, high-speed mixed granulation particles.
然而，在粒间孔发育的岩石中，流体必须在颗粒周围的曲折通道中流动；而这种曲折通道会对其流动产生阻力。
In the intergranular spaces of rocks, however, fluid must flow around and between grains in a tortuous path; this winding path causes a resistance to flow.
如果你拿起那些单个氯化钠颗粒当中的一粒并仔细观察，你将看到像这样的边缘。
If you take one of those individual grains of sodium chloride and look at it carefully, you will see the edges like this.
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