unilateral tolerance system单向公差制

unilateral cable system单索系

unilateral control system单向控制系统

unilateral synchronization system单接面晶体管

unilateral quota system单边配额制

unilateral inquiring system单向查询系统已经

unilateral investment insurance system单边投资保险制度

unilateral conventional tariff system片面协定税则制

unilateral system of tolerances不对称制