单词	concrete arch dam
释义	concrete arch dam 混凝土拱坝
随便看	public service industry Public Service Infrastructure public service innovation public service institutional advertising public service lawsuit public service line public service marketization Public service mechanism public service model public service motivation public service of police public service of spatial information public service of traffic information public service orientation Public Service-oriented public service oriented government public service-oriented government public-service-oriented government Public-Service-Oriented Government public service package public service pension fund statistics public service personnel public service platform public service privatization public service procedures