气溶胶污染面积 aerosol contamination area
聚酯不污染胶粘带 polyester substrate protective tape
油的胶体污染 colloidal contamination of oil
橡胶的变色、污染最少 Rubber color, least polluting ; Discoloration, contamination of rubber at least ; Rubber the discoloration, pollution at least
油的胶体污染-- Colloidal contamination of oil
你认为胶袋对环境的污染严不严重？
Do you think plastic bag pollution is serious to the environment?
在制胶工艺中不加酸、碱、盐，减少了对环境的污染。
No sour, alkali, salt in the processing, reduced the pollution to the environment.
复原胶生产工艺简单，在常温下用开炼机或精炼机即可，而且生产过程中无污染。
The reclaiming process can be simply carried out on an open mill or finishing mill at the room temperature without any pollution in the production.
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