尖尾绳结 needle hitch
针状冰 needle ice
针阀升程 needle lift
针孔润滑 needle lubrication
针孔润滑器 needle lubricator
针形流量测定闸阀 needle measuring valve
磁针水雷 needle mine
滚针 needle roller
针阀 needle valve
霞石正长岩 nefeline syenite?
协商 negatiation
负的 negative
针状冰 needle ice
针阀升程 needle lift
针孔润滑 needle lubrication
针孔润滑器 needle lubricator
针形流量测定闸阀 needle measuring valve
磁针水雷 needle mine
滚针 needle roller
针阀 needle valve
霞石正长岩 nefeline syenite?
协商 negatiation
负的 negative
否定的 negative
否负的阴的否定的阴性的负值 negative
否负的 negative
负的阴性的 negative
负值 negative
负加速度 negative acceleration
否定应答 negative acknowledgment
负留量 negative allowance
负留置 negative allowance
负余面 negative alp
负高度 negative altitude
低度 negative altitude
负角 negative angle
负角;俯角 negative angle
负角俯角 negative angle
负偏压 negative bias
降压器 negative booster
减压变压器 negative boosting transformer
负电刷 negative brush
负浮力 negative buoyancy
负浮力效应 negative buoyancy effect
负调制波 negative carrier
缓和剂 negative catalyst
负特性下降特性曲线 negative characteristic
负特性 negative characteristic
负电荷 negative charge
负向钳位 negative clamping
负导线 negative conductor
负控制闸流管 negative control thyratron
负电流 negative current