In order to ensure the performance of the new all-weather breathing valve to achieve the full use of the purpose. Breathing valve inspection and maintenance in six months. 1, check the pressure valve disc and vacuum disc movements are flexible, guide valve ring contact with or without damage. 2.......
The intersection of pump characteristic curve and pipeline characteristic curve intersection point is the working point of the pump. Because the pump is connected with the pipeline, so he must be subject to the constraints of the pipeline. For example, a pump can supply 200 cubic meters of wa.......
Concrete pump pipe connection has a unique flexible characteristics of the pipeline with anti-vibration, anti-shrinkage and expansion of capacity, compared with the welding and flange connection, pipe system stability increases, more suitable for temperature changes, thus protecting The pipelin.......
The clothing, footwear, and hats industry is one of the advantageous traditional industries in Yangjiang City, Guangdong Province. It has made important contributions to the prosperity of the local economy and the employment of the labor force. However, at prese.......
At 19:22, the Yiting Fire Fighting Squadron of Yichang City received an alarm: a fire broke out in the residential building of Yidu Electromechanical Community, Yiting District, Yichang City, and the fire developed extremely rapidly. After receiving the police, the squadron quickly dispatched .......
At present, due to the country's restrictions on the export of raw materials, the export procedures are more complicated and strict, resulting in the recent export traders indicating that there are more enquiries. At present, the major domestic ports are quoted at US$2550-2650, which is .......
In the process of sending and receiving oil, oil tanks often cause equ.......
1. Equipment function: high.......
In the first three quarters of 2010, the company achieved a total operating income of 320 million yuan, a year-on-year increase of 20.62%; the net profit attributable to shareholders of listed companies was 50.423 million yuan, an increase of 27.68%; the realized earnings per share was 0.29 .......
The building records the changes of the times ....... Prior to the National Day, the domestic market for ammonium chloride in agriculture was relatively stable, but after the National Day holiday, the agricultural ammonium chloride market experienced a sharp increase in the market.
The current factory pr....... According to the statistics of the agricultural sector, as of November 5, Jiangxi Province has harvested 27.188 million mu of autumn grain, accounting for 81.4% of the area receivable, including 1.82 million mu for the second night, accounting for 74.4% of.......
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