The idea of putting a metal plate inside a vacuum with a filament, was devised by the American scientist Thomas Edison in 1887, while he was trying to improve the light bulbs he invented.

置放铁片在有灯丝的真空管中的想法，是1887年美国科学家爱迪生，为了改善他所发明的灯泡而所做的发明。

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Composite plate and shell with rubber liners can analogize real filament wound pressure vessels.

配橡胶内衬的复合材料板壳可以模拟真实纤维缠绕压力容器。

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The affection of the temperature of heat board and heat plate on the heat shrinkage of polyester filament was studied in this paper; finally the regression equations were given.

这里主要研究了牵伸机热盘、热板温度对涤纶长丝热收缩率的影响，最后，得出其回归方程。

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This was also a triode: a glass tube containing a heated metal filament which emits electrons, a plate that collects them once they have accelerated through the tube, and a metal grid in between.

ECONOMIST: The middle age of the transistor