减少维护工作，降低维护成本。应建立良好的电池维护系统，一定要具备。
Reduce maintenance, lower maintenance costs. Shall establish good battery maintenance system, must have.
太阳能电池背膜要具有优异的耐候性、抗紫外线性能和良好的力学性能。
Solar cell film need have excellent weather resistance, UV resistance and good mechanical properties.
太阳能电池背膜要具有优异的耐候性、抗紫外线性能和良好的力学性能。
Solar cell film need have excellent weather resistance, UV resistance and good mechanical properties.
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