fifaonline3 sf是什么位置

我玩fifa比较多,就说一下fifa的吧 守门员gk(goalkeeper) 清道夫sw(实况是cwp(cweeper)) 左边后卫lwb(left wing back) 左后卫lb(left back) 左中后卫lcb(left center back) 中后卫cb(center back) 右边后卫rwb(right wing back) 右后卫rb(right back) 右中后卫rcb(right cente