select a.wl_num,a.parent_id,GROUP_CONCAT(b.cat_name,' ',a.cat_name) as lb,a.action_name,a.rate,a.rate_hot,ROUND(sum(a.rate+a.rate_hot/100),4) as moq_rate from golon_ics_category a left join golon_ics_category b on a.parent_id=b.id where a.mpn_bm='golon_xx_fdq_yb_ysfdq_hcqfdq' array(1) { [0]=> array(7) { ["wl_num"]=> string(4) "1109" ["parent_id"]=> string(2) "54" ["lb"]=> string(57) "线性 线性-放大器,仪表,运算放大器,缓冲器" ["action_name"]=> string(2) "x2" ["rate"]=> string(5) "1.068" ["rate_hot"]=> string(2) "35" ["moq_rate"]=> string(6) "1.4180" } }

封装：金属罐

外壳：TO-99-8 金属罐

描述： IC GP OPAMP 1 CIRCUIT METAL CAN