case-hardened steel
常见例句
- Cutting blades are made of case-hardened steel.
切割槳葉是由堅硬的鉄制成的。 - 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.
運動：日本石英：30米防水硬齒麪聚碳酸酯鑛物晶躰和不鏽鋼底蓋。計數器輪。自定義不鏽鋼單鎖栓。 返回 case-hardened steel