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ൺʳɾֹܸ޹˾绰 45#ֹܸ ޷쾫ֹܸܻе ʳɾֹܸܳ ʳɾֹܸ ʳɾֹܸ޹˾ó׹˾ ʳɾֹܸܳô ʳɾֹܸ޹˾Ϸʷֹ˾ ֹܸܱ׼ ʳͨþֹܸ޹˾
ʳɾֹܸ޹˾ 6mmֹܸ 45#ֹܸʳ ʳɾֹܸ޹˾ ʳɾֹܸ޹˾ ʳ¡ֹܸй ʳɾֹܸ޹˾ ʳɾֹܸܳ пᾫֹܸܳ ʲôľֹܸܷ
ֹܸܳ ˲ʳɾֹܸ޹˾ ʳ¡ֹܸ żҸʳɾֹܸ ʳɾֹܸ޹˾ ʳɾֹܸ޹˾ô ֹܸܳЩ ʳɾֹܸ޹˾Ԥ֧ ݾֹܸܳ ʳɾֹܸ޹˾ô
ϺַֹܸܳϢ ݾֹܸܲ ʳɾֹܸܳ ʳɾֹܸܹ˾ҳ ʳɾֹܸܳ ˲ʳɾֹܸ޹˾ ھֹֻܸ ھֹֻܸ ʳɾֹܸ޹˾ϢϢ ʳɺѫֹܸ޹˾
ֹܸƵ ʳɾֹܸι˾icp ֹܸͼƬȫ ˲ʳɾֹܸ޹˾ô ʳɱʤؾֹܸ޹˾绰 Ϻֹܸܹ˾ ʳɾֹܸ޹˾ַ ʳɾֹܸ޹˾ַ ֹܸ20ŸֹǶ ֹܸ
ʳɾֹܸܳ ֹܸΥ ʳɾֹܸ޹˾ ʳɾֹܸܹɷ޹˾绰 ʳɾֹܸ޹˾ ޷쾫ֹܸST35 ʳɷ˾ֹܸ޹˾ ʳɾֹܸ޹˾ ʳʢֹܸ޹˾ ijǾֹܸܳ
ʳɾֹܸϰô ʳɾֹܸ޹˾ר 20#ֹܸܲ ֹܸʳɽ ʳɾֹܸ޹˾(· ʳɾֹܸ޹˾ϰʲô ʳɾֹܸ޹˾ ʳɾֹܸ޹˾ ʲôǾֹܸ? 40Crֹܸܶƹ
ൺξֹܸ޹˾ ʳɺֹ̩ܸ޹˾Ϣ ʳɷ˾ֹܸ޹˾ϵʽ ʳɾֹܸ޹˾ ݾֹܸܲ кֹܸ޹˾ ֹܸ20# ʳɶ˻ֹܸ޹˾ 20#ֹܸܽ ʳɾֹܸ
ʳɾֹܸ޹˾ ൺʳɾֹܸ޹˾ ݾֹܸܳ ˲ʳɾֹܸܹ˾ ʳɾֹܸ޹˾绰 ʳ˫ţֹܸ޹˾ ֹܸܳЩ ֹܸܳ ʳɾֹܸ388 ʳɾֹܸܹɷ޹˾Ϣ
304޷쾫ֹܸܴ ֹܹܾܸܳ ݾֹܸܲ ʳɾֹܸܳ ֹܸܳ ʳɾֹܸ쳧 ʳɾֹܸ޹˾ ʳ׾ֹܸ޹˾ ʳɾֹܸ޹˾ ֹܸܳ
ֹܸ޹˾Ϣ Сھֹܸ 15crmoֹܸ ʳɾֹܸܹ˾ҳ ʳɾֹܸܳ ݾֹܸ֪ܲʶ ֹܸɽij ؾֹܸ ʳɾֹܸܹ˾ҳ ʳɾֹܸ
ʳɾֹܸ޹˾ 35crmoھֹܾܸ ҦʳɳԶֹܸܳ ʳɾֹܸܳ 20#ֹܸи ʳɾֹܸ޹˾ żҸʳɾֹܸ ʳɾֹܸ޹˾Ϣ ʳɾֹܸ޹˾ ʳɾֹܸܹ˾Ϣ
ֹܸܶѡʳ ʳɾֹܸ޹˾ϢϢ 16mnֹܸܳ ʳɾֹܸܳ ʳɾֹܸ޹˾ ʳɾֹܸ޹˾ ʳɾֹܸ޹˾ʲô ʳɾֹܸܳô ʳɾֹܸ޹˾Ʊ ֹܸ20ŸֹǶ
żҸʳɾֹܸ ֹܸ޹˾ ʳɾֹܸ޹˾ ʳɷɾֹܸ Ϻַֹܸܳ ʳɾֹܸܳ۵绰 ޷쾫ֹܸ 2019ҵ ʳɱֹܸ޹˾ ʳɷ˾ֹܸ޹˾ ֹܸܶʳ
Ͼֹܸܹ˾Ϣ ֹܸ Ϻֹܸܳгһ¶Ǯ ʳɾֹܸܳ ʳɾֹܸ޹˾ô ʳɾֹܸܳ ־ֹܸ޹˾ ʳɾֹܸ޹˾ ʳᆱֹܸ ʳ¡ֹܸ޹˾ô
ʳɾֹܸ޹˾ַ ֹܸܱ׼ ʳɱʤؾֹܸ޹˾绰 ʳɾֹܸ޹˾ô ˶ʳɾֹܸܳϢ Сھֹܸܳ ʳɾֹܸ޹˾ô ʳɾֹܸܰǨ ֹܸʳ ֱֹܸܳ
20#ֹܸ ʳɾֹܸܹ˾ ֹܸܳ ʳɾֹܸ޹˾Ʊ ˾ֹܸܳ ֹܸ ֹܸɽij ֹܸܹ˾Ϣ ʳɾֹܸܹɷ޹˾ ʳɾֹܸ޹˾绰
ʳɾֹܸ ʳɹɾֹܸ޹˾ ʳɾֹܸ޹˾Ϣ ʳɷ˹ضԪֹܸ޹˾ֹô? ޷쾫ֹܸܴ 40crֹܸи׼ӹ ֹܸ20# ֹܸ20 45#ֹܸʳ Сھֹܸǹ
ֹܸ ˲ʳɾֹܸ޹˾Ϣ 45#ֹܸʳ ʳɷ˹ضԪֹܸ޹˾ֹô? ʳɾֹܸ޹˾ ֹܸ¹ ֹܸ ݾֹܸ֪ܲʶ ˳ͨ־ֹܸ 35crmoھֹܾܸ