normallyadv.通常;正常地
normally close valve常关阀
normally closed gate常闭门
normally penetrating垂直侵彻
normally functioning功能正常的
normally open switch常开断开关
normally closed valve常闭阀
normally open contact常开触点,常开接点
normally clear signal正常开放信号
normally engaged gear常啮合齿轮
normally open circuit正常断开电路