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N 开头的英语单词（共 105,704 个）
narrow-boiling range fraction
[化] 窄沸程馏分
narrow-book
狭型书
narrow-bore coiumn
[网络] 窄孔柱
narrow-bore tube
小直径管
narrow-bore tunnel
小断面隧道
narrow-channel effect
窄通道效应
narrow-cut filter
窄带截止滤波器;窄带滤色片
narrow-cut share
窄切犁铧
narrow-end-up mould
上小下大钢锭模
narrow-external attention
狭窄-外部注意
narrow-face ring
窄面环
narrow-field scanning system
窄视场扫描系统
narrow-gage railway
窄轨铁路
narrow-gap semiconductor
窄隙半导体
narrow-gap spark chamber
窄隙火花室
narrow-gate amplifier
窄选脉冲放大器
narrow-gate circuit
窄电闸电路;窄门电路;窄选通电路
narrow-gate multivibrator
窄门多谐振荡器
narrow-gate pulse
窄选通脉冲
narrow-gate range potentiometer
精确距离电位计
narrow-gauge
a. 窄轨的, 气量小的
narrow-gauge film
窄规胶片