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Caliper
A ruler is one of the most essential tools you can have in school, or just in everyday life. A ruler is very easy to use, and it is extremely helpful when measuring the size or length of something. It can also be used to draw straight lines, when writing or when drawing.
Rulers come in all shapes......
1060 
Emily
The development history of various grinding machines
The History of Grinding Machines
Grinding machines have been around for centuries and have been used in various industries for shaping, grinding and finishing various materials. They have evolved from manual labor to sophisticated machinery and are now used in many different industries for a vari......
GB/T912-1989 Carbon structural steel and low alloy structural steel hot rolled sheet and strip
GB/T912-1989 Hot-rolled carbon structure and low alloy steel plate and strip
GB/T912-1989 is a technical specification issued by Chinas National Standardization Management Committee specifically for hot-rolled carbon structure and low alloy steel plate and strip. It regulates the requirements, te......
Alloy structural steel bars for steam turbine bolts (YB/T158-1999)
Turbine bolt alloy steel bar (YB/T158-1999) Introduction
Turbine bolt alloy steel bar, also known as turbine rotor head bolt steel bar, is an important material widely used in the power industry. It is mainly used as a connecting bolt in turbines, generators and other high-speed and heavy-duty ro......
Carbon copper castings for welded structures (GB/T7659-1987)
Carbon copper casting parts for welding structure (GB / T7659-1987)---------------------------------------------------------------------------------
Carbon copper casting parts for welding structure(GB/T7659-1987) are classified into three groups, General carbon copper casting, Copper-based alloy ......
Designation and chemical composition of waste heat treated steel bars (GB 13014-1991)
GB 13014-1991: The Board of Chemical Composition and Brand Numbers of Heat-treated Steel Bars
1. Basic rules
This code sets out the classification, chemical composition and brand numbers of heat-treated steel bars (hereinafter referred to as “bars”).
2. Classification
The heat-treated ste......
Stainless steel seamless steel pipe GB/T14976-1994 for fluid transportation
Stainless steel seamless steel pipe, known for its corrosion and oxidation resistant capabilities, is widely used for fluid transport in both industrial and domestic applications. It is made of an alloy that contains chromium, nickel and molybdenum that strengthens and hardens the steel. The seaml......
Aluminum and aluminum alloy welded pipe GB 10571-89
GB 10571-89 Welded aluminium and alloys pipe
Welded aluminium and alloys pipe is a kind of metal pipe made by welding together longitudinal sections of aluminium or alloys. It is widely used in various fields such as ships, automobiles, aviation, chemicals, petrochemicals and so on. GB 10571-89 sp......
Car Vocabulary in Chinese and English (2)
The Evolution of Automobiles
Automobiles have come a long way since the first car made its appearance in 1885. From the basic four-wheeled, gasoline-powered vehicles of the early 20th century, to the sleek and high-tech electric cars of today, automobiles have become an integral part of modern lif......
Mechanical Tools Vocabulary in Chinese and English
Mechanical Tools and Vocabulary
Mechanical tools are used in nearly every industry, including construction, manufacturing, and engineering. The following is a breakdown of common mechanical tools and their associated terms.
Wrench: A wrench is a highly versatile hand tool that is designed to tur......
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