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underwater welding
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Underwater welding, sometimes called wet welding, is a well-suited process for many applications. The process is used with a variety of materials, including steel, aluminum and stainless steel, and anywhere that welding is required underwater or in similar wet environments.
Underwater welders a......
1026 
Oliver
Working principle of RH vacuum degassing method and DH vacuum degassing method
Vacuum deaeration Methods- RH and DH Vacuum
Deaeration
Vacuum deaeration is a method used to remove dissolved gases from water or other solutions. There are two main types of vacuum deaeration: RH (recirculation and headspace) and DH (direct headspace) vacuum deaeration. These methods can be use......
Angle gauge
Angle measurement is a fundamental step in the application of applied sciences. Making precise measurements of angles can enable the making of precise calculations and the solving of complex problems. One of the most common uses of angle measurements is in engineering and design projects. Measurem......
Electric welded steel pipes for belt conveyor rollers (GB/T13792-1992)
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Welding Steel Pipe for Rollers of Belt Conveyor (GB/T13792-1992)
Belt conveyors are extremely important pieces of industrial machinery, as they are used in a wide variety of industries, such as shipping, agriculture, construction, and manufacturing. The role they play in transferring goods quic......
Aluminum and aluminum alloy welding wire GB 10858–89
GB 10858–89 Aluminum and aluminum alloys welding wire Among all kinds of welding wires, aluminum and aluminum alloys welding wires are widely used, especially in industries such as shipbuilding, manufacturing, oil and gas, and construction. In order to ensure the quality and safety of aluminum and......
Copper and copper alloy welding wire GB 9460-88
GB9460-88 Copper and Copper Alloy Welding Wire
The General Administration of Quality Supervision, Inspection and Quarantine of the Peoples Republic of China issued a standard (GB9460-88) to control the quality of copper and copper alloy welding wire. The standard covers the welding wires with a ......
Galvanized steel strip for armored cables GB/T4175.2-1984
，内容是GBT4175.2-1984标准的介绍
GB/T 4175.2-1984 Zinc-coated steel strap for armored cable
GB/T 4175.2-1984 is a specification developed by the Peoples Republic of China on the requirements, test methods, inspection rules and marks of zinc-coated steel strap for armored cable.
This Standard is a......
Continuous hot-dip galvanized steel sheet and strip GB 2518-88
Continuous Hot-Dip Galvanized Thin Steel Sheets and Steel Strips
Hot-dip galvanizing is the process of coating steel with a thin layer of zinc using a bath of molten zinc. The process has been in use since ancient times to protect iron and steel from corrosion. GB 2518-88 specifies the requireme......
English Encyclopedia of Machinery Commonly Used in Foreign Trade (Chinese)
Centrifugal Fan
A centrifugal fan is a mechanical device which is used to dis-place or move air. It works on the principle of centrifugal force, meaning that it uses a spinning wheel in order to propel air in a given direction. The wheel is connected to an electric motor, which is powered by ele......
Commonly used Japanese for machinery: poor molding
Molding Defects
Molding defects are common problems in the mass manufacturing of plastic parts. Defects in the production process can lead to a decrease in product quality, or even complete failure. In some cases, they can require costly product rework or replacement. Consequently, it is importan......
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