heat directly的用法和样例：
例句
- Particularly processed platens are used to directly heat the veneer through contact conduction.
我们用经过特殊加工的热压板，以接触传导的方式，直接加热木材单板。 - The amount of material directly heated by contact with the hot spot is very small, but the heat transmitted can apparently be quite great.
通过与热点接触被直接加热的物质是很少的，但是被传送的热量显然却相当大。
