non-pollution

英 ['nɒnpəl'uːʃn] 美 ['nɒnpəl'uːʃn]

• n. 无污染

例句

用作名词 (n.)

1. Suitable for all kinds of parts cleaning drying keeping and bedaubing oil,and without pollution.
   适用于各种零件清洗烘干的保存涂油，具有省油，无污染等优点。
2. The inserting pin with fixed structure which does not need oiling is pollution free and maintenance free.
   插针采用固定构造，完全不用加油，无污染，无维护成本。