热的不良导体
热的不良导体-
木头是热的不良导体。
Wood is a poor conductor of heat .
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他目前面临的困难是，要找到一种物质，同时是很好的电导体又是热的不良导体。
The challenge lies in finding a substance that conducts electricity well and heat badly .
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胆层之间抽真空，镜面处理防红外辐射，木塞是热的不良导体。装水不要太满。
Between bravery layer vacuumize , lens face processing prevents infra-red radiate , the stopper is hot undesirable conductor . Outfit water does not want too full .