Let's say there's no heat flow.

让我们假设没有热量流动。

You've got a property that changes, depending on the heat flow.

它的某种性质，随热量的流动变化。

Heat flow meter is an important instrument for saving energy.

热流计是一种重要的节能用仪表。

The geographical distribution of heat flow data is very uneven .

热流量资料的地理分布很不平衡。

The function of the Heat flow system is to sent materials to sprue gate.

热流系统的作用就是把材料送到模内的每一浇口。