n.速启式罐盖 quick opening: 快速断开; 快速开启quick-opening: 快开door opening: 入口。 quick opening shock valve: 快开冲击阀; 快速开启冲击阀quick opening valve: 急启阀; 快开阀门; 速启阀下载手机词典可随时随地查词查翻译