hydraulic drop水力: waterpower; hydraulic power落差: drop head fall head; throw; ...压力落差: differential pressure; pressure head重力落差: gravity head重力落差进料器: gravity-head feeder下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:水力落差。,即可在微信中查询翻译