查询词典 dual

dual theorem：对偶定理

dual system 对偶系统 | dual theorem 对偶定理 | dual vector space 对偶向量空间

dual trace oscilloscope：双线示波器

dual system 双重系统 | dual trace oscilloscope 双线示波器 | dual voltage motor 双电压电动机

dual trace oscilloscope：双踪示波器

dual trace oscilloscope with delay line 附有延迟线的双踪示波器 | dual trace oscilloscope 双踪示波器 | dual transmitter 两用发射机

dual trace oscilloscope：双线示波仪

dual trace amplifier 双线放大器 | dual trace oscilloscope 双线示波仪 | dual tracer ejector 双示踪剂喷射器

dual trace oscilloscope with delay line：附有延迟线的双踪示波器

dual torque 高弹捻回弹力纱 | dual trace oscilloscope with delay line 附有延迟线的双踪示波器 | dual trace oscilloscope 双踪示波器

dual-purpose：双重目的的

dual-purpose ship 专运某两种货物的船 | dual-purpose 双重目的的 | dual-tandem locked-train gear box 双串联链式减速齿轮箱

dual-purpose：双用途的

dual pumper operation 泵浦车双干线供水 | dual purpose 双用途的 | dual wheel 双轮

dual-purpose：兼用式

"dual pump","双泵" | "dual purpose","兼用式" | "dual purpose wheel","兼用轮"

dual-purpose pump：双用泵

dual-purpose packing machine 两用包装机 | dual-purpose pump 双用泵 | dual-purpose screwdriver with plastic handle 两用塑料柄螺丝起子

dual-purpose carrier：两用散货船

dual-in-line package 双列直插式封装 | dual-purpose carrier 两用散货船 | dual-purpose carrier 两用载货船

complex field：复合场;复数域

复介电常数 complex dielectric constant | 复合场;复数域 complex field | 复合物生成滴定 complex formation titration

continuous attenuator：连续减光板

07.104 接收二极管reception diode | 07.105 连续减光板continuous attenuator | 07.106 滤光片filter