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ʳɾֹܸ޹˾ ʳɺֹ̩ܸ޹˾ô ʳɾֹܸ޹˾ ʳɾֹܸ޹˾ϰ 20#ֹܸܲ ֹܸܹ˾Ϣ ʳɾֹܸ޹˾ Ҿֹܸ ʳɷ˹ضԪֹܸ޹˾ֹô? ˲ʳɾֹܸܹ˾Ա
ʳɾֹܸܰǨ ֹܸ ֹܸͼƬȫ ʳɾֹܸܳ 45ֹܸ ֹܸܳ ֹܸܳҵ ʳɶ˻ֹܸ޹˾ ʳɾֹܸ޹˾ Сھֹܸܳ
ʳɾֹܸ޹˾ô żҸʳɾֹܸ ʳɾֹܸ޹˾ ݾֹܸܲͼ ֹܸܶʳ ֹܸ45 ֹܸܳҳ ֹܹܾܸ 40crֹܸܻѧɷ ޷ξֹܸ
ൺʳɾֹܸ޹˾绰 ΰֹܸ޹˾ ֹܸ ޷쾫ֹܸҵ ֹܸ쳧 45ֹܸܾ ֹܸҵ ൺʳɾֹܸ޹˾ô ֹܸ; Һѹ޷쾫ֹܸϺ
ֹܸܳ ֹܸܶʳɸ߿ ֹܸ20ŸֹǶ ֹܸ ʳɾֹܸܹ˾ ֹܸܳҵ ʳɾֹܸ 40Crֹܸܳ ʳֹܸͨ޹˾Ϣ ͨʳɾֹܸ޹˾
ݾֹܸܲ Сھֹܸǹ յʳӾֹܸ޹˾ ͨʳɾֹܸ޹˾ ݾֹܸܼ۸ ʳؾֹܸ ൺʳɾֹܸ޹˾绰 6mmֹܸ ֹܸܹ˾Ϣ ʳɾֹܸ޹˾
ʳɾֹܸ޹˾ ޷쾫ֹܸܼ۸ ʳξֹܸ޹˾ ʳɾֹܸ ʳɾֹܸ޹˾ʲô żҸоֹܸܹ˾ ʳؾֹܸ޹˾ ʳɾֹܸ޹˾ ʳɾֹܸ޹˾Ǹ˾Ͷʵ ʳֹܸ
ʳɾֹܸι˾ ʳɾֹܸ޹˾ô ھֹܸܶ ʳɷ˾ֹܸ޹˾ ʳɾֹܸܹɷ޹˾绰 ʳɾֹܸ޹˾ оֹܸ޹˾ оֹܸ޹˾绰ַ ʳɾֹܸ޹˾ѹ·Ǽ ֹܸ6
ֹܸܳ ʳɷԾֹܸ ʳɾֹܸ޹˾ ʳɾֹܸ޹˾ պֹܸ޹˾ ޷쾫ֹܸܿǹ ֹܸܳҳ ʳɱʤؾֹܸ޹˾绰 ʳᆱֹܸ޹˾ϵ ʳɾֹܸ޹˾ϢϢ
ʳɾֹܸϢ ֹܸܹ˾ ʳɵۺֹܸ޹˾绰 ʳɾֹܸ޹˾ϰ ʳɾֹܸܳ Ͼֹܸܹ˾Ϣ ֹܹܾܸܶһ ʳɾֹܸܰǨ ʳɾֹܸܹ˾ ιֹܾܸܼӹ
ʳɾֹܸ޹˾ô 16mnСھֹܸ ʳ¡ֹܸ޹˾ ޷쾫ֹܸ 2019ҵ ֹܸ20ŸֹǶ ʲôǾֹܸ? ֹܸܳ ʳɾֹܸϢ ʳɾֹܸô ʳɾֹܸ޹˾
ʳɾֹܸ޹˾ ˲ʳɾֹܸ޹˾ô ֹܸܳҳ ʳɾֹܸ޹˾ϰ ʳɾֹܸ޹˾ר ʳɶ˻ֹܸ޹˾ ֹܸܳ ʳɾַֹܸܳ ֹܸʳ ʳɱʤؾֹܸ޹˾绰
ʳ׾ֹܸ޹˾ ʳɾֹܸô ֹܸܹ ǿֹܸ޹˾ ʳɾֹܸ޹˾Ϣ Сھֹܸ ʳɾֹܸܹɷ޹˾ô ֹܸܶѡʳ ʳɾֹܸܹɷ޹˾Ϣ żҸʳɾֹܸ
ʳɾֹܸܹ˾ҳ ʳɾַֹܸܳ ʳж滪ֹܸ޹˾ ˾ֹܸܳϢ ʳɾֹܸ޹˾ 16mnֹܸܳ ݾֹܸ ʳɾֹܸܳҵѵɶ ھֹܸܶ ʳɾֹܸ޹˾
ֹܸ޷ԲҺѹ͹ëϸܿĹھ5.8 ؾֹܸ ʳɾֹܸ޹˾绰 ʳɾֹܸ޹˾ϰ ֹܸܳ ޷쾫ֹܸܴ ˲ʳɾֹܸ޹˾ 20#ֹܸ ֹܸܳҳ ֹܸͼƬȫ
ʳɾֹܸ޹˾ ʳɾֹܸ޹˾ϢϢ ֹܸ ޷쾫ֹܸ ʳɾֹܸ޹˾ ʳɾֹܸܹô ΰֹܸ޹˾ ʳɾֹܸ޹˾ѹ·Ǽ ʳɾֹܸ޹˾ɽֹ˾ ʳɾֹܸ޹˾
ֹܸܶѡʳ 40crֹܸ ˲ʳɾֹܸ޹˾ ֹܸܶѡʳɷ ʲôǾֹܸ ʳɷ˾ֹܸ޹˾ ֹܸܳ ʳͨþֹܸ޹˾ ʳɽֹܸ޹˾ ʳɾֹܸ޹˾(·)
ھֹֻܸ ൺʳɾֹܸ޹˾绰 ʳɾֹܸ޹˾ ʳɾֹܸ ˿Ͼֹܸ޹˾ ݾֹܸܲ ʳɾֹܸ޹˾ ֹܸܳҵ ֹܸܳ ʳɾֹܸ޹˾ô
ʳ˫ţֹܸ޹˾ ʳɾֹܸ޹˾ϢϢ ֹܸ޷ ʳɾֹܸ ݾֹܸ ʳɾֹܸ޹˾Խ ֹܸܳ ʳɺֹ̩ܸ޹˾ ʳɾֹܸ޹˾Ϣ ˲ʳɾֹܸ޹˾