During the summer peak season, the country’s largest electricity gap was 25.35 million kilowatts, which was about 20% lower than expected. In the vast majority of areas, there has been no case of power consumption for residents. Shenzhen Universiade guaranteed power supply to achieve "ze ....

XCMG Chusheng Sewage Vehicle manufacturers made their own innovations and continuously introduced domestic and foreign advanced technology to successfully develop the domestic advanced dual-pump suction truck. The sewage suction truck has been put into prod ....

The implementation time of the special vehicle IV standard has been dragged on. In fact, whether delayed or not, it is clear to all engine companies that implementation of the national IV standard is a matter of time and time and not too far away. Therefore, ....

The performance of the muffler can be evaluated from the following three aspects: (I) Muffler performance, namely the muffler volume and spectrum characteristics. The amount of muffler muffler is usually expressed in terms of acoustic loss and insertion loss. In the field test, it can also be exp ....

There are several commonly used globe valves: 1) DC globe valve: In the DC or Y-type globe valve, the flow path of the valve body is inclined with the main flow path, so that the damage of the flow state is smaller than that of the conventional globe valve , So the pressure loss through the meter va ....

Since April 1st, the Zunyi Central City will classify and implement motor vehicle exhaust pollution restriction measures in phases. The first batch of restricted vehicles: heavy-duty and medium-sized trucks It is reported that the first batch of restricted vehicles is heavy-duty and medium-duty tr ....

On March 27, 2013, the price of oil dropped for the first time in the year. According to the new pricing mechanism, oil prices may usher in another adjustment on April 11. The reporter learned that due to changes in the oil sustenance of the new mechanism, it is difficult for the industry to ....