open gateway开放式: open type闸门: sluice gate; gate; water gat ...沉放式闸门: submergible gate开放式: open type 开放式, 多渠道, 少环节的流通体制 open, multi-channel circulation system with fewer intermediate links百叶式闸门: shutter gate下载手机词典可随时随地查词查翻译