... non-homing type line switch 不归位式寻线机 non-hygroscopic material 防潮材料 non-impact printer 非冲击式打印机 ...
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阐述了包装饲料受潮的原因、包装材料的透湿的机理及选择防潮材料的方法。
The reason of packed feed affected with damp, the mechanism of moisture penetrating packaging material and method of choosing dampproof materials were expounded.
这种材料能防热防潮。
这种材料可以抗热防潮。
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