Plastic bag tax has a positive impact on environment.
徵收胶袋税对环保有正面影响。
And the environmental impact of plastic is the subject of today's show.
今天节目要谈论的主题就是塑料袋对环境的影响。
Test Method for Brittleness Temperature of Plastic Sheeting by Impact 08.
用冲击法测定塑料薄板的脆化温度的试验方法08。
Test Method for Brittleness Temperature of Plastic Sheeting by Impact 08.
用冲击法测定塑料薄板的脆化温度的试验方法08。
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