一道英文物理题,牛人请作答!Two rods of equal lengths and cross-sectional areas but of different materials are placed in thermal contact as shown in Figure 2.The thermal conductivity of Q is half that of P.The outer end of P is at 0o C and
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一道英文物理题,牛人请作答!Two rods of equal lengths and cross-sectional areas but of different materials are placed in thermal contact as shown in Figure 2.The thermal conductivity of Q is half that of P.The outer end of P is at 0o C and
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