tungsten carbide core

例句：

1. 1.The core of the engine is made from tungsten carbide.
   发动机的核心是由钨碳化物制成的。
2. 2. The tool's cutting edge is made of tungsten carbide, which is very hard and durable.
   这个工具的切削刃是用钨碳化物制成的，非常硬且耐用。
3. 3. The tungsten carbide core has a high strength-to-weight ratio, making it ideal for heavy-duty applications.
   钨碳化物核心具有高强度重量比，非常适合重载应用。