产品参数及特点货号规格A(mm)B(mm)L(mm)S019521274616180S019522305217190S019523325217190S019524365820205S019525416620230S019526467422240S019527508024255S019528558625270S019529609326280S0195306510230300S0195317011033330S0195327511033330S0195338012636360S0195348512636360S0195359014240390S0195369514240390S01953710015545420S01953810515545420S01953911017048450S01954011517048450S01954112018254480·优质合金钢整体锻造·表面喷砂，特殊***化处理)