Constant Source 恒压源
Constant-source diffusion 恒定源扩散
a constant source of encouragement 不断的鼓励 ; 不断的鼓舞
constant voltage source [电] 恒压电源 ; 恒定电压源 ; [电] 恒压源
high accuracy constant-source 高精度恒流源
constant-voltage welding source 恒压式焊接电源 ; 平特性焊接电源
constant-frequency source 固定频率震源
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