词汇	pre-disaster planning
释义	pre-disaster planning 防灾规划
随便看	push-pull modulation push-pull multiplier push pull neutrodyne method push-pull neutrodyne method push-pull operation push-pull oscillation push pull oscillator push-pull oscillator push pull osmotic pump push-pull osmotic pump push pull osmotic system push-pull osmotic system push-pull output push-pull output amplifier push pull output stage push-pull output stage push-pull parallel circuit push pull perfusion push-pull perfusion push-pull photocell push-pull pickling push-pull pickling line push-pull pickling unlt push-pull port tug push-pull power amplification