non-pollution的用法和樣例：
例句
用作名詞 (n.)
- Suitable for all kinds of parts cleaning drying keeping and bedaubing oil,and without pollution.
適用于各種零件清洗烘干的保存涂油，具有省油，無(wú)污染等優(yōu)點(diǎn)。 - The inserting pin with fixed structure which does not need oiling is pollution free and maintenance free.
插針采用固定構造，完全不用加油，無(wú)污染，無(wú)維護成本。
