lever grease gun

例句：

1. 1.The mechanic used a lever grease gun to lubricate the gears.
   这位机械师用一个杠杆式润滑枪给齿轮上油。
2. 2. The painter needed a lever grease gun to clean the brushes.
   这位画家需要一把杠杆式润滑枪来清洗画笔。
3. 3. The engineer used a lever grease gun to lubricate the bearings.
   这位工程师用一把杠杆式润滑枪来润滑轴承。