The insulating layer of the power cable is composed of various combustible materials such as paper, oil, hemp, rubber, plastic, and asphalt. Therefore, the cable has the possibility of fire. So what a...
As a mechanized tool, electric scissors have the advantages of light structure and convenient operation. As the most widely used hardware tool in the whole society, it has been widely used in various ...
1. Generally, mineral oil is used as the working medium, the relative moving surface can be lubricated by itself, and the service life is long. 2. Light weight, small size, small movement inertia and ...
The crimping pliers are composed of an oil tank, a power mechanism, a reversing valve, a pressure relief valve, and an oil pump mechanism. The oil pump mechanism consists of an oil pump body, high and...
Since Edison invented the electric light, people’s lives have been inseparable from electricity. If there is no electric light, many night activities cannot be carried out smoothly. However, it is not...