gear grease的用法和樣例：
例句
- Gear lubricants may congeal and channel in cold weather.
天氣冷時(shí)齒輪潤滑油可能凝結而形成凹槽。 - Because the new semifluid open gear lubricants generally don't include a solvent, the lubricant won't thicken like the old solvent cutback type products.
因為一般新的半液體開(kāi)式齒輪潤滑油不包括融解劑，潤滑油就不像老式的融解稀釋型產(chǎn)品那么濃厚。
