Where is the lubricating oil drop of the elliptical machine?
Joints and joints. Ordinary solid lubricating oil has different grades, different viscosities and different acidity and alkalinity, but as long as it is a qualified product, it can be used to lubricate elliptical machines, and the lubricating oil drips on joints and joints. Elliptical machine is a very common cardio-pulmonary training tool in health clubs, and it is also widely loved by users.