See the history of the entire solar cell development

Looking back at the history of solar cell development, it can be roughly divided into five periods: germination period, climbing period, growth period, prosperity period and recession period. Budding period (1839~1955): The landmark event of this period was the discovery of the "photovoltaic ....

What is the function of the gearbox?

The car transmission, also known as the gate box, its role is to change the engine speed, increase the torque of the engine to drive the wheel rotation. When a car starts off, is heavily loaded, climbs a slope, or rides rough roads, it requires more torque ....

Cheng Li Wrecker Carry-Up Procedures

Since it was engaged in the road wrecker industry, it has received more than a dozen customer calls and information applications for private cars every day. We wanted to write something to explain this in detail. I hope that there will be more customers in ....