direct current telegraphy是什么意思

中文翻译直流电报

网络释义

1)direct current telegraphy,直流电报2)neutral direct-current telegraph system,中性直流电报系统3)DC/DC,直流-直流4)DC/DC,直流直流5)DC/DC,直流/直流6)DC,直流

Discussion on advantages of MF inverter DC resistance welding;

中频逆变直流电阻焊优势探讨

The design and application of the KYZ-250/550 type dc impulse speeder of stringing locomotive;

KYZ—250/550型直流架线电机车脉冲调速器的设计与应用

DC energy conservation control transform of hoist AC contactor;

提升机交流接触器直流节能控制改造