词汇	ordering cylinder
释义	ordering cylinder 回潮筒
随便看	public relations education public safety frequency band public safety frequency bands public press public press debate public presses public pressure public pretense public prevention public price public price hearing public price hearings Public pricing public primary and high schools public primary school public principle public printer public prints public priority signal control system public-private public-private activities public-private cooperation public-private coproduction public/private distinction public/private housing