�����������ֹܸ�

ʳɾֹܸ޹˾ù ʳֹܸͨ޹˾Ϣ ʳɾֹܸܹɷ޹˾ 40crֹܸ; ʳ¡ֹܸ޹˾ ൺξֹܸ޹˾ ֹܸ ʳɾֹܸ޹˾(·) ֹܸܶѡʳɷ ʳɾֹܸ
оֹܸ޹˾ 40crֹܸܻѧɷ ʳɱʤؾֹܸ޹˾绰 ޷쾫ֹܸܴ ʳ龫ֹܸ޹˾ ʳɾֹܸ޹˾ ʳɾֹܸܳ ȪԴֹܸ޹˾ ʳɷ˹ضԪֹܸ޹˾ֹô? ʳɾֹܸ޹˾
ݾֹܸܲ Сھֹܸ ʳɾֹܸ ֹܸܳʲôΣ ֹܸܳ ֹܸܼӹʲôں ΰֹܸ޹˾ ʳɾֹܸܹ˾ô ʳɾֹܸܳ ʳᆱֹܸ
ʳ16Mnֹܸܼ۸񱨼 ʳ;˳ֹܸܳ ־ֹܸ޹˾ ʳɾֹܸ ˲ʳɾֹܸ޹˾Ϣ绰 ҦʳɳԶֹܸܳ ʳɿᆱֹܸ޹˾ ֹܸ¹ ʳɾֹܸܳ Ϻֹܸܳ
ʳɾֹܸ޹˾ ʳɾֹܸܹ˾ ֹܸ ʳɺֹ̩ܸ޹˾Ϣ Ϻֹܸܳ ʳɱʤؾֹܸ޹˾ ֹܸΥ ޷쾫ֹܸST35 ʳʢ㾫ֹܸ޹˾ ˲ʳɾֹܸ޹˾
ʳɾֹܸ޹˾ ֹܸ 40crֹܸ ʳɷ˹ضԪֹܸ޹˾ֹô? ʳɾֹܸ޹˾вм ʳɾֹܸ ʳɴֹܸܳ ʳɾֹܸ޹˾Ϣ ʳɾֹܸ388 ʳɾֹܸܹ˾Ϣ
˿Ͼֹܸ޹˾ ʲôǾֹܸ ʳɸֹܸ޹˾ 45ֹܸ ֹܸ޹˾ ͨʳɾֹܸ޹˾ ʳɾֹܸ޹˾ ʳɾֹܸ޹˾Խ ʳ¡ֹܸ޹˾ ξֹܸܳ
ʳ˫ţֹܸ޹˾ ʳֹܸͨ޹˾Ϣ ֹܸɽʳͨ ˲ʳɾֹܸ޹˾Ϣ ʳɾֹܸܰǨ ʳɾֹܸϢ ʳɶ˻ֹܸ޹˾ ֹܸܶʳɷ ʳɾֹܸ޹˾ ʳɾֹܸ޹˾
޷쾫ֹܸҵ ʳɾֹܸ쳧 ֹܸ޹˾Ϣ ʳɾֹܸô ֹܸ 20#ֹܸи ΰֹܸ޹˾ ɽֹܸ쳧 ʳɾֹܸ޹˾ϢϢ ʳֹܸ޹˾
ʳɾֹܸ޹˾ ʳɾֹܸܳ ֹܸܶѡʳɼ 40crֹܸ; ʳɾֹܸܹɷ޹˾Ϣ ʳɾֹܸ޹˾ 40crֹܸ ʳɾֹܸ޹˾ó׹˾ ʳ˫ţֹܸ޹˾ ʳɾֹܸ޹˾
ξֹܸܳ ֹܸܹ˾ ʳɾֹܸ޹˾绰 ʳɾֹܸ պֹܸ޹˾ ʳɺֹ̩ܸ޹˾ô 6mmֹܸ ֹܸܶ ݾֹܸܼ۸ 15crmoֹܸ
ӱֹܸ޹˾ 꾫ֹܸ޹˾ ʳɾֹܸι˾ ֻ 绰 40crֹܸ; ֹܸܶѡʳ ʳɷ˾ֹܸ޹˾绰 40crֹܸܻѧɷ ʳǿֹܸ޹˾Ҧicp ֹܸܳ ʳɾֹܸ޹˾
ֹܸܳȡ˰ 45#ֹܸ ֹܸܶѡʳ ֹܸʳɽ ʳɾֹܸ޹˾ֹ̳˾ о澫ֹܸܹ˾ ޷쾫ֹܸʲô ֹܸ޹˾ ʳɾֹܸܹ˾ ʳɾֹܸ޹˾
ʳɾֹܸι˾icp ʳɾֹܸ޹˾绰 ˲ʳɾֹܸܹ˾Ա ʳɾֹܸܳ ޷쾫ֹܸܴ ʳʢֹܸ޹˾ ֹܸܼӹʲôں ʳɾֹܸܹɷ޹˾Ϣ ʳɾֹܸ޹˾ô 16mnֹܸܳ
ֹܸ޹˾ ʳɾֹܸ޹˾ ʳɾֹܸ޹˾ 40crֹܸ; ʳ˻ֹܸ ʳɾֹܸܹô ʳɾֹܸϢ ʳǧֹܸ޹˾ ֹܸܹ˾Ϣ ʳɾֹܸܳô
ֹܸܳ 쾫ֹܸ޹˾ ֹܸ ൺʳɾֹܸ޹˾Ϣ ɽֹܸܳ ʳͨþֹܸ޹˾ 20#ֹܸи ޷쾫ֹܸ ʳɾֹܸ޹˾ַ ʳɾֹܸ޹˾
ൺʳɾֹܸ޹˾绰 ൺʳɾֹܸ޹˾Ϣ ʳɾֹܸ޹˾ַ ֹܸ޹˾Ϣ ΰֹܸ޹˾ ʳɾֹܸ޹˾ֹ̳˾ 6mmֹܸ ֹܸҵ ʳɷԾֹܸ ʳСھֹܸܼ۸񱨼
ʳɾֹܸܳ ʳɽֹܸ޹˾ ɽֹܸܳЩ ʳؾֹܸ޹˾ ֹܸܳ ݾֹܸܲƺ ʳɶ˻ֹܸ޹˾ ʳɾֹܸܳ ˲ʳɾֹܸ޹˾ ޷쾫ֹܸ;
ֹܸܳ ʳɾֹܸ޹˾Ĺɶ ʳж滪ֹܸ޹˾ ʳؾֹܸ޹˾ ʳɾֹܸ޹˾ϢϢ ֹܸܶѡʳɼ ʳɾֹܸ޹˾Խ 16mnֹܸܳ ʳɾֹܸܳ ʳɾֹܸ