我们提供的产品包括整个壁炉和配件，如炉台，后板等。

The products we supply include whole fireplaces and the accessories as well.

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当晶体管测温器接到后板上并且其温度在-20度到60度之间时，这盏灯就亮了。

The lamp lights when the transistor temperature probe is connected to the rear panel and its temperature is between -20~60’C.

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youdao

And what we did was he put two detection plates on either side of these cathode rays, and when he put a voltage difference between these two plates, he wanted to see if he could actually bend the rays and test if they're actually charged or not.

但没有实验证明这件事,这就是Thomson所做的，它在阴极射线旁边放两块探测板,他想通过看当他,在两板之间加上电压后,阴极射线是不是会。

麻省理工公开课 - 化学原理课程节选