Protective mask maintenance method: 1. Regularly check the air supply mask and the carbon filter mark and replace them properly. Second, often remove water from oil and water separators and compressors. Third, pay attention to clean and replace the transparent mask on the mask to prevent ob
Read moreAlthough the China Iron and Steel Association has called on steel mills for rational production several times, it has had little effect. Zhu Baoliang, director of the Economic Forecasting Department of the National Information Center, said that due to the drop in prices of raw materials such as hi
Read more1. Adopt a reasonable farming method. In areas with large slopes, fertilizer runoff is prone to occur. Conservation tillage (no-till or less tillage) should be adopted to reduce soil disturbance, and straw returning can be used to reduce runoff loss. In the plain area where leakage is the main
Read moreThe high-strength graphite composite gasket is made of pure graphite plate or metal (tooth plate, flat plate, mesh) reinforced graphite plate. It has many excellent sealing properties, such as: heat stability, self-lubrication, corrosion resistance, no aging, no It is brittle, etc. It can be used
Read moreButterfly-shaped head current national standard GB/T10752-1995 marine steel pipe butt welding head GB/T12772-1999 Flexible interface cast iron pipe and fittings for drainage GB/T 8803-2001 Injection molding of rigid polyvinyl chloride (PVC-U), chlorinated polyvinyl chloride (PVC-C), acrylonitri
Read moreAustenitic stainless steel and iron body stainless steel can be distinguished by magnetic test. Austenitic stainless steel has high corrosion resistance, good cold workability and toughness, plasticity, weldability, and is non-magnetic steel, but after large pressure cold processing There will be
Read moreAfter the lamp is installed and used, the structure of the lamp body is not leaking. That is to say, only the side of the lamp that emits light can be seen, and other parts of the lamp body are embedded in the building or other objects and cannot be seen. Bath ScreenBath Screen,Bath Shower Sc
Read moreStripes in the popular pop field are one of the popular elements, not only to make the home simple and fresh, but also to have a sense of fashion and mystery, and the different colors and forms of stripes can create different atmospheres between different functions. Flexibility is its special
Read moreIn the first three months of this year, the domestic ammonium phosphate market is expected to continue for manufacturers and distributors, but disappointment continues. In summary, ammonium phosphate has been tepid and stumbled along the way. Looking ahead to the summer market, due to the
Read moreLong-term machining: In the cutting of difficult-to-machine materials, the service life of a turning tool is very short, and the milling cutter can be used for a long time because it distributes the cutting load by multi-edge cutting. Since the milling cutter has a long service life, the trouble of
Read moreIn the hardware market, the competition is becoming more and more fierce, and intellectual property protection is getting more and more attention. Today, how to use intellectual property to protect themselves has become an important issue. Generally speaking, intellectual property rights, in
Read moreCurtains made of velvet: When the curtains are dirty, first soak the curtains in the medium alkaline cleaning solution and gently press them by hand. Wash it and put it on a slanted shelf to allow the water to drip automatically, which will make the curtains clean as new. Venetian blinds: Thi
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