normallyadv.通常;正常地
normally engaged gear lock ring常啮合齿轮锁环
normally deenergized stick relay正常失励吸持继电器
normally energized track circuit闭路式轨道 电路
normally open push button switch常开按钮开关
normally-closed control element[计] 常闭控制元件
normally extinguished signal lamp正常熄灭的信号灯
normally pressured aquifer system正常压力含水层系
normally distributed observations正态分布的观测值