流体在运动过程中，各质点完全沿着管轴方向直线运动，质点之间互不掺混、互不干扰的流动状态称为层状流动，简称层流。
这样我们就能更好地理解燧石在高度流体状态时的变形情况。
Thus we can better understand the deformation of chert in a highly fluid form.
往复螺杆移动塑料沿着这条漫长的加热室，那里的材料融化到流体状态。
A reciprocating screw moves the plastic along this lengthy heating chamber, where the material is melted to a fluid state.
加入的水超过飞灰所吸收的水，以便所述团包含游离水以致至少部分处于流体状态。
The water is added in excess of that which is absorbed by the fly ash so that the dough contains free water so as to be in at least a partially fluid state.
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