case-hardened steel
常见例句
- Cutting blades are made of case-hardened steel.
切割桨叶是由坚硬的铁制成的。 - Case: Custom 30 Meter Polycarbonate With Hardened Mineral Crystal And Stainless Steel Caseback. Custom Game Of S. K. A. T. E And 0 -9 Counter Wheel.
运动：日本石英：30米防水硬齿面聚碳酸酯矿物晶体和不锈钢底盖。计数器轮。自定义不锈钢单锁栓。 返回 case-hardened steel