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
大气中的油烟和污染物是形成车漆褪色、变色的主要原因。
The smoke and pollutants in the atmosphere is the main reason for the formation of the paint fading, discoloration.
本品是一种高分子量酚类醋化物，不变色、不污染、耐热载老化、耐热水萃取、不易挥发，通常用作主抗氧化剂。
This product is a high molecular weight phenolic compounds vinegar, no color, no pollution, aging heat load, heat water extraction, less volatile, usually used as the primary antioxidant.
空气中有一些不可避免的污染物，不幸的是，它们会被累积在鱼缸内造成水质变化（如养殖水变色；
There are pollutants in the air that can't be avoided, and unfortunately they tend to accumulate in the fish tank which is unhealthy for the fish.
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