常見例句雙語例句Cutting blades are made of case-hardened steel.切割槳葉是由堅硬的鐵制成的。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米防水硬齒面聚碳酸酯礦物晶體和不銹鋼底蓋。計數(shù)器輪。自定義不銹鋼單鎖栓。 返回 case-hardened steel