NB7H18-8PN规格参数
相关型号
NB7H20-16PN NB7H20-39PN NB7H20-41PN NB7H20-41PW NB7H20-41PX NB7H22-21PN NB7H22-55PN NB7H22-55PW NB7H24-19PN NB7H24-19PW