这种变形可能是通过外部控制或自发产生，例如，对温度、压力、和速度的改变做出反应。
The change can be instigated by an external control or it can be automatic, for instance in response to variations in heat, pressure or velocity.
注塑工必须认识过快填充速度、不足注塑压力、过高融化温度和不充分挤压的危害性。
The molder must recognize the dangers of excessive fill speed, insufficient injection pressure, excessive melt temperature, and inadequate packing.
如果地狱膨胀的速度要比灵魂进入地狱的速度快，地狱里的温度和压力都将减小，一直到零结束。
If Hell is expanding at a rate faster than the increase of souls in Hell, then the temperature and pressure will drop until Hell freezes over.
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