According to data released by the Federal Reserve on the 15th, US industrial production, including factories, mining and public utilities, fell by 1.5% in March, which was greater than the 1% expected by economists for the fifth consecutive month. decline.
Data show that in March, US fa…

Submersible pumps are working underwater. It is compact, light weight, not long from the shaft pumping shaft. Therefore, the submersible pump is well suited to rural well water irrigation. JQB submersible pump is more used. This submersible pump, is the use of mechanical seals or seals and othe…

Process flow:

01, familiar with the drawings, according to construction plans. Use a horizontal tube to copy the horizontal line and use the ink line to eject the baseline. For a partially suspended ceiling room, if the original ceiling is not horizontal, the ceiling shall be made …

Putting a good decoration on construction inspection and shutting off the issue of “self supervision” is a lot!
Many decoration companies promise to decorate the family: "The company has a full-time supervision engineer who can provide home improvement supervision." T…

Abstract: After introducing many shortcomings of traditional power supply mode of submersible electric pump, this paper elaborates The advantages of frequency conversion power supply, and then gives the 2300V submersible pump inverter several special requirements and solutions. Keywords: invert…

Sanitaryware is not as expensive as it is better. According to a test released by China Consumers Association recently, some sample products labeled as imported products are not cost-effective, and a considerable part of the domestic brands of toilet products exceeds certain imported produ…

…

The method for removing lead in a nickel mixed acid system solution involves a method for removing lead from a nickel electrolytic mixed acid system solution by using a lead carbonate removing process. It is characterized in that the lead removal process is the addition of barium carbonate to t…

Press working conditions: hot and cold clean, non-flammable liquids that do not contain solid particles or fibers Liquid temperature: -15 ℃ to + 120 ℃ Ambient temperature: up to +40 ℃ Minimum inlet pressure: According to NPSH curve + Minimum safe head of 0.5 meters head. Appli…

The clean and refreshing bathroom can not only facilitate people's daily use, but also bring people a happy mood. However, if health workers often leak water, it will not only affect daily life, but will also cause problems such as mildew and cracking on walls and floors.

…

…