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poor conductor造句
1 Wood is a poor conductor of heat. 2 Wood is a poor conductor of sound. 3 Wood is a poor conductor. 4 Fresh volcanic rocks are poor conductors of electricity. 5 If the material is a poor conductor, as most polymers are,[www.] temperature gradients inescapably exist and heat will therefore flow. 6 Plastic is a poor conductor. 7 The wood is a poor conductor. 8 Wood is a poor conductor of someone cenad. 9 Wood is a poor conductor of heat and electricity. 10 An insulator is a poor conductor because it has a high resistance to such flow. 11 A poor conductor of heat and electricity . Not easily formed into shapes.