San is pronounced jiǎn.

I. Detailed Interpretation

San is the old name for gallium (gā), a metallic element. In metallurgy, san refers to an amorphous substance commonly found in alloys with a high melting point and hardness, often used in the manufacture of high-strength alloys.

II. Provenance

San as a scientific term first appeared in ancient metallurgical texts and metal processes to describe gallium, a metallic element.

Three, group word

1, San alloy: refers to gallium as the main component of the alloy, commonly used in the manufacture of high-strength, high-temperature environment corrosion-resistant materials.

2, the wooden board: refers to the metal plate made of wooden board, commonly used in aviation, aerospace and other fields of high strength and corrosion resistance requirements of the components.

3. Alkaline material: refers to the material containing the element of alkaline, such as alkaline zinc alloy, alkaline aluminum alloy and so on.

4. Alkaline Processing: refers to the process of processing and heat treatment of alkaline and alkaline alloys, in order to change their properties and scope of application.

枧字造句：

1、Mr. Lin, an engineer with extensive experience in metallurgy, discovered in his research a new kind of alloy of alkaline, which has excellent strength and corrosion resistance and can be widely used in aerospace.

2. This factory specializes in the production of alloy products. They use advanced smelting techniques and precise alloy ratios to produce high-quality alloy sheets that meet the needs of industries such as shipbuilding and chemical equipment.

3. Because of its excellent mechanical properties and thermal conductivity, alkaline alloy is widely used in the automobile manufacturing industry. This alloy can create lightweight parts and enhance the fuel efficiency and driving performance of vehicles.

4. In the field of aerospace manufacturing, San alloy is used to make components for spacecraft, such as gas turbine blades and turbine engine parts, etc. Because of its high strength and resistance to abrasion, it is able to withstand high temperatures and high pressures under extreme environmental conditions.

5. Alkaline alloy has a small coefficient of thermal expansion and resistivity, which makes it an ideal material in the manufacture of electronic devices. It is widely used in semiconductor materials, electrical connectors and other fields to ensure efficient operation and long-term stability of electronic devices.