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N 开头的英语单词（共 105,704 个）
normal objective
标准镜头
normal observation
常规观察
normal occlusion
[医] 正常Ж, 理想Ж
normal octane
[化] 正辛烷
normal on-load operation
正常带载操作
normal one-sample problem
常态单样本问题
normal open
常开;常通
normal open circuit
常开回路
normal open contact
[网络] 常开触点；常接；常开接点
normal open control element
[电] 常开控制元件
normal open gate
[电子] 常开门
normal open valve
[化] 常开阀
normal operating amperage
正常运转电流值
normal operating area
[管理] 正常操作区域
normal operating condition
[劳经] 正常工作条件
normal operating condition of nuclear power plant
核能电厂正常运转情况；核电厂正常作业情况
normal operating conditions
正常工作状态[条件]
normal operating contact
定位动作接点
normal operating current
正常运转电流
normal operating cycle
[经] 正常营业周转期
normal operating expenses
[经] 正常营业费用
normal operating frequency band
正常运转频率范围
normal operating limit
正常运转范围
normal operating loss
常运行损失