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ʳɾֹܸܳϳ ʳɾֹܸ޹˾ ˳ͨ־ֹܸ ʳɵۺֹܸ޹˾ 20#ֹܸи ʳɾֹܸܳô ʳɵۺֹܸ޹˾绰 ֹܸͼƬ ʳֹܸ ɽֹܸܳ
ʳɾֹܸ޹˾ ʳ¡ֹܸ޹˾ ֹܹܾܸ ʳɾֹܸ޹˾ 45ֹܸ ǿֹܸ޹˾ ʳɾֹܸܳ ʳɷ;ֹܸ ʳɾֹܸ޹˾ַ ݾֹܸܳ
ʳɾֹܸ޹˾ 16mnСھֹܸ о澫ֹܸܹ˾ ֹܸ20# Ҿֹܸ Сھֹܸδĥڱ 40crֹܸʳ ൺʳɾֹܸ޹˾Ϣ Сھֹܸ ֹܸר
ʳɾֹܸ޹˾û ޷쾫ֹܸܴ ھֹܸ ʳɾֹܸܹ˾ ֹܸ쳧 ʳɾֹܸܹ˾Ϣ ʳɱʤؾֹܸ ʳɾֹܸ޹˾Ԥ֧ 20#ֹܸ ʳɾֹܸ޹˾ַ
ʳʥӾֹܸ ʳɾֹܸô ʳɾֹܸܳϳַ 20#ֹܸܼ۸ ʳɾֹܸܹ˾ ʳɾֹܸܹô ֹܸܼӹ ʳɾֹܸ޹˾ʲô ʳɾֹܸܹ˾ ݾֹܸܲ
ֹܸʳ ھֹܸ ֹܸܺ޷ֹܵ ݾֹܸܳ ʳɾֹܸ޹˾ ֹܸܳҳ ֹܸ޹˾ϢϢ ൺʳɾֹܸ޹˾ ֹܸܳʲôΣ ʳɾֹܸ޹˾ô
ʳɾֹܸܳô ؾֹܸ ˶ʳɾֹܸܳϢ ֹܸܹ˾Ϣ ʳɾֹܸ޹˾Ϣ ʳɾֹܸܳô ʳɸֹܸ޹˾ ھֹܸ ֹܸܳЩ еžֹܸ޹˾
ֹܸܳ ֹܸѯɽ ֹܸ޹˾ͼƬ ֱֹܸܳ ʳɾֹܸܹɷ޹˾ô ʳɾֹܸ޹˾ֹ̳˾ ʳɾֹܸι˾ ˲ʳɾֹܸ޹˾ ʳɾֹܸܼ ʳɾֹܸܼ
ֹܸܳЩ 40crֹܸ ʳɾֹܸ޹˾Ϣ ൺʳɾֹܸ޹˾ Һѹ޷쾫ֹܸ ʳɾֹܸ޹˾ ׯ ֻ 绰 40crֹܸʳ ʳɾֹܸ޹˾ô ʳɾֹܸ޹˾Խ ֹܸ޹˾
ֹܸܺ޷ֹܵ ֹܸܼӹֵ ʳ¡ֹܸ޹˾ô ʳɵۺֹܸ޹˾ ʳɾֹܸܳ γǾֹܸܹ˾ ˲ʳɾֹܸܹ˾߹ ʳɾֹܸܹ˾ô ʳɾֹܸ޹˾Ǹ˾Ͷʵ ʳǧֹܸ޹˾
ʳɾֹܸܹ˾Ϣ ֹܸܳ ֹܸܼӹ ʳɾֹܸ ֹܸ20# ʳɾֹܸ޹˾ 40Crֹܸ ʳɾֹܸ޹˾ù ɽֹܸ쳧 ֹܸ
20#ֹܸи ʳ˻ֹܸ ʳɾֹܸ ʳɾֹܸ޹˾ ɽֹܸܳ ֹܸɽʳͨ ֹܸܳ Ϻֹܸܹ˾ ʳɾֹܸܳô ʳɾֹܸܹɷ޹˾ô
ʳɾֹܸ޹˾ ֹܸ ޷쾫ֹܸܻе ʳ˫ţֹܸ޹˾ ֹܸܹ˾Ϣ Ϻֹܸܳ ˾ֹܸܳϢ ֹܸڱӰ ʳɾֹܸ޹˾ ޷쾫ֹܸ
ֹܸܱ׼ ʳɾֹܸܹ ʳɾֹܸܳϳ ʳɱʤؾֹܸ޹˾ ʳǬ꾫ֹܸ޹˾ ʳֹܸ żҸʳɾֹܸ ֹܸ޹˾ ʳ16Mnֹܸܼ۸񱨼 ޷쾫ֹܸST35
ʳǿֹܸ޹˾Ҧicp ʳɾֹܸ޹˾ Һѹ޷쾫ֹܸϺ ʳɾֹܸ޹˾ ֹܸΪʲô ʳᆱֹܸ޹˾ ֹܸܳЩ ֹܸܳ ʳɾֹܸܹ˾ ʳɵۺֹܸ޹˾
ʳ񹤾ֹܸ޹˾ ֹܸ ʳɾֹܸ޹˾ ׯ ֻ 绰 ʳɾֹܸ޹˾ ijǾֹܸ 40crֹܸ ʲôǾֹܸ? ൺʳɼѴᆱֹܸ޹˾ ൺʳɼѴᆱֹܸ޹˾ ʳɾֹܸܹ˾ַ
ھֹܸܳ ʳɾֹܸܳ ʳǿֹܸ޹˾绰 ֹܸ޹˾ ֹܸͼƬȫ ֹܸܳЩ ʳɾֹܸܳ żҸʳɾֹܸܳϢ ʳɾֹܸ޹˾ù ʳɾֹܸܹ
ֹܸܶʳɼ ֹܸ20# ֹܸ޷ԲҺѹ͹ëϸܿĹھ5.8 еžֹܸ޹˾ ʳɾֹܸ388 ʳɾֹܸ޹˾ ޷쾫ֹܸ ʳɾֹܸ޹˾Ԥ֧ ʳɾֹܸ޹˾ 40Crֹܸܶƹ
45#ֹܸ 45#ֹܸʳ ֹܸܳʲôΣ еžֹܸ޹˾ Сھֹܸܳ ʳɶ˻ֹܸ޹˾ ʳɾֹܸ޹˾ ʳɾֹܸ޹˾ô ʳ˻ֹܸ Ϻַֹܸܳ