According to overseas media reports, Nissan will conduct a two-month trial operation of the pure electric commercial vehicle NV200 in London with the transportation company FedEx. FedEx company said that the main reason for choosing this pure electric motor is to hope to reduce the dep.......
China Drying Newsletter Sinopec Group issued a press release stating that on December 5th, Yangzi Petrochemical's aromatic methylbenzene (M.......
Copper-related ores can be classified into the following categories, depending on the selected useful ingredients:
(1) Single copper mine: its ore is relatively simple, and the only u.......
On May 29th, the Qingdao People's Entrepreneurship Conference and the First Entrepreneurship Expo were held at the Qingdao International Convention and .......
December 4th is the 12th National Day of Legal Propaganda. The theme of this year is "to promote the spirit of the Constitution a.......
Centrifugal pump with its simple structure, easy maintenance, high efficiency and become the most widely used agricultural pump, but also because sometimes mention the water is annoying. We will analyze the reasons for not referring to the fault of water.
Air inlet pipe and p.......
In 2009, Yuchai Group's sales revenue increased from 10.6 billion yuan in 2004 to 27.1 billion yuan, and maintained rapid development for five consecutive years; the production and sales volume of diesel engines rose from 218 thousand units in 2004 to 671,000 uni.......
The monitoring results show that the noise of each measuring point at the lm outside the sound insulation board of the second floor of the machine room is 937964dB(A), and the noise of the No.1 air compressor is 1067dB(A). The noise is very strong. . The two oxygen compressors installe.......