The factory tour showed how the furnace's incandescence signals that the steel is ready.

工廠參觀中展示了熔爐的熾熱發光如何顯示鋼材已可加工。

Our lighting supplier explained that LED bulbs produce far less heat than incandescence does.

我們的照明供應商解釋，LED燈泡產生的熱遠少於白熾發光。

In the meeting, engineers reported that the filament's incandescence faded after the voltage dropped.

會議中，工程師報告電壓下降後燈絲的熾熱光芒就減弱了。