Over the past decade, the solar water heater industry has developed rapidly, technology has matured. With the continuous appearance of high-rise buildings, ordinary one-piece vacuum tube solar water heater can no longer meet the requirements of solar water heater and building integration. …
The process of a dyno test on a Liebherr engine
The process of a dyno test on a Liebherr engine
The process of a dyno test on a Liebherr engine
General LED lighting in the driver circuit has a current limiting resistor, and resistance of the power consumption and LED light has nothing to do. In order to improve efficiency, it is necessary to use constant-current output switching power supply, and the output stage using p…
With the introduction of the “restricted wage†of financial institutions’ senior executives, it will be logical to call for high-level pay for state-owned companies. A few days ago, it was reported that the regulations governing the remuneration of persons in charge of s…