词汇	封发
释义	封发 fēng fāseal封髮
随便看	peak hold amplifier peak hold averaging peak hold circuit peak holder peakholding peak holding peak-holding peak holding and detection peak holding circuit peak-holding circuit peak holding controller peak-holding controller peak-holding optimalizing control peak hold switch Peak homogeneity peak impulse voltage peak income peak indicator peak induction peakiness peakinesses peak inflating pressure peak information rate peaking peaking amplification