SELECT bednetmx_partid, u_bednetmx_spring.bednetmxid, u_bednetmx_spring.springid, ISNULL(vv_spring.name, '') as springname, u_bednetmx_spring.spring_qty_width, u_bednetmx_spring.spring_qty_length, u_bednetmx_spring.fabrics1_mtrl_cost, u_bednetmx_spring.spring_mtrl_cost, u_bednetmx_spring.spring_mtrl_cost_replace_formula, u_bednetmx_spring.spring_weight_replace_formula From u_bednetmx_spring left outer join u_bednetmx on u_bednetmx.bednetmxid = u_bednetmx_spring.bednetmxid left outer join ( SELECT u_spring.springid, left(rtrim(cast(u_spring.line_diameter as char(10))),4) + '/'+ left(rtrim(cast(u_spring.height as char(10))),4) + '/'+ left(rtrim(cast(u_spring.caliber as char(10))),4) + '/'+ left(rtrim(cast(u_spring.center_diameter as char(10))),4) + '/'+ left(rtrim(cast(u_spring.cyclenum as char(10))),4) as name FROM u_spring ) vv_spring on vv_spring.springid = u_bednetmx_spring.springid u_bednetmx_spring.bednetmxid = @arg_bednetmxid u_bednetmx.bednetid = @arg_bednetid 序 弹簧 弹簧排列 个数-宽 弹簧排列 个数-长 弹簧材料总成本 弹簧材料总成本替换公式 钢丝重量替换公式