low-frequency amplifier for repeater circuits
种子低频处理
low-frequency treatment of seed【农】
暂无补充释义。
相关词条
low-frequency impedance correc tor
high-frequency group and low-frequency group equalizer
low-frequency induction furnace【冶】
steel-tape armoured lead sheathed low-frequency communication cable
low-frequency transconductance【电子】
low-frequency generator
low-frequency