Recently, Xugong Shi Weiying's "Urban Genius" series HB26K pump trucks were put into use in the coastal areas of the "One Belt and One Road" coastal country in the town of Cebu in the Philippines and won high praise from local villagers. XCMG “Urban Genie” serie.....

We know that the reference substance refers to the standardized substances used in the national drug specifications for identification, content determination, and related substance inspections, etc., and is an important component and special measuring device that cannot be used in short, and is th.....

1. The surface water source protection area of ​​drinking water includes certain water areas and land areas. The scope should be based on the quantitative prediction of water quality according to the characteristics of different water areas and the local specific conditions should be .....

Soviet manganese ore mining has a long history, is now the world's largest producer of manganese ore, the nineteenth century began to develop Qiatu La Nikopol deposits and eighties, from the late twenties of the twentieth century, Soviet Union Manganese ore production has always ranked first in.....

[Chinese instrument network meter patent] creative limit, instrumentation invention. Today, we introduced a national patent for invention—water meter reading device. The patent was applied by Wuhu Vocational and Technical College and was authorized to issue on December 8, 2017. Content Des.....

“The essence of the air pollution problem in Beijing-Tianjin-Hebei is environmental overload. In Hebei, the crude steel production capacity is about 280 million tons. At present, the actual steel production is about 180 million tons, and there are more than 90 million tons of cement productio.....

The gramophone was originally invented by American scientist Edison in 1877. When was it first introduced into China? The earliest record was the 70th birthday of Empress Dowager Cixi in 1904. Many officials tried every means to create gifts. Among them was a cabinet-style phonograph that won the a.....