quality forged alloy steel的意思|示意

Only 4 1/2 lbs. , it's 75% lighter than any significant cutter. Constructed of fine forged steel with a quality alloy steel blade to last indefinitely.

重量只有4 1 / 2磅，比任何其他的去盖器或切割机轻75%，结构为带有优质合金钢刀片的细锻钢，使用寿命长。

Broken shaft is forged by the high-quality alloy steel, the material and heat treatment technology is very mature for decades in large cross-section of shaft parts applications.

破碎机主轴由优质合金锻造钢制造，该材料及其热处理技术数十年来，在大断面轴类零件应用中非常成熟。