A panel of resistances composed of wire mesh in bunches from different sections of glass tubes containing copper dust, coal and flowers of sulfur.
阿面板电阻组成丝网在束从不同的部分玻璃管含铜灰尘，煤和鲜花的硫。
A panel of resistances composed of wire mesh in bunches from different sections of glass tubes containing copper dust, coal and flowers of sulfur.
阿面板电阻组成丝网在束从不同的部分玻璃管含铜灰尘，煤和鲜花的硫。
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