Sewage car vehicle knowledge

First, there is a skill to drive the sewage pump to save fuel

In order to save fuel, the sewage suction truck should combine the performance of the vehicle it is driving in, and stick to the economical speed, that is, no exp.......

Air compressor cleaning method

The air compressor unit bearing bush is an elliptical bearing, and the possibility of oil film whirl is greater than that of the tilting pad bearing. From the spectrum analysis of the fluctuation, there are also various frequency components (including low frequency components). Th.......