manganese steel
柯林斯词典
1. N any very hard steel containing manganese (11–14 per cent), used in dredger buckets, rock-crushers, railway points, etc 锰钢
返回 manganese steel
1. N any very hard steel containing manganese (11–14 per cent), used in dredger buckets, rock-crushers, railway points, etc 锰钢