Screw-type air compressor structure of a unique design, a compact, stylish appearance, high efficiency, small energy consumption, low noise characteristics and long life, is a smart environment-friendly pro.
[pdf] Laser cutting is a widely used laser processing technology globally. Its use dates back to the 1970s when it was first used for cutting purposes. The rise and popularity of third-generation laser technology in.
[pdf] In this study, the fracture of piston for rock drill produced from case hardening steel is investigated. In order to study the causes of the fracture, specimens prepared from the damaged pistons were subject.
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