Affected by the financial crisis in 2009, China's machine tool industry experienced a sluggish situation in the first and second quarters. However, under the dual role of the government’s policy of expanding domestic demand and the ten industrial…
Carbon dioxide is the culprit for global warming, but its use as an industrial raw material is very extensive. Today, low-carbon and emission reduction have become the subject of world economic development. Many new uses of carbon dioxide have been developed at home and abroad—power…
Ventilation and dustproof safety operation procedures
First, we must abide by the relevant regulations on safety and dust prevention in the underground, and implement the ventilation and dust prevention system.
2. It is forbidden for one person to enter the old airspace and …
The ceremony of the “Jiangxi Huai Light-card Brand Passing the Qian County Relay Competition†with the theme of “thousands of relays, brand transmission, and reunification of the four domains†was held in Qionghai, Hainan, Mohe in Heilongjiang, Zhapu in Fujian and …
1. In the free state, the inner diameter of the oil seal lip is smaller than the shaft diameter and has a certain amount of interference.
2. After installation, the interference pressure of the oil seal e…
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