The temperature has a significant effect on the IB of the PB, non-marked effect on the MOE and MOR.
温度对刨花板的内结合强度影响显著，而对静曲强度和弹性模量影响不显著。
The composition of Pb-Zn complex, often occurrence with various elements of an industrial value of non-ferrous metals lead, zinc, copper, nickel, cobalt, tungsten, molybdenum, cadmium, tin;
铅锌矿石的组成十分复杂，常常赋存着各种有工业价值的有色金属元素铅、锌、铜、镍、钴、钨、钼、镉、锡；
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