It was considered that the main cause of plastics weathering was sun's rays, and that plastics packaging box should not be stored without any cover in outdoor.

认为太阳光是影响塑料老化的主要原因，塑料包装箱不宜在户外无遮避贮存。

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It was considered that the main cause of plastics weathering was sun's rays, and that plastics packaging box should not be stored without any cover in outdoor.

认为太阳光是影响塑料老化的主要原因，塑料包装箱不宜在户外无遮避贮存。

youdao