旋转连接 meaning in English

rotary joint
rotating joint

Coaxial rotary joint
同轴线旋转连接
Emergency breakaways fittings , swivel connectors and pipe - connection fittings for petroleum products and lp - gas
石油产品和lp气用紧急断开装置旋转连接器和管道连接配件
Emergency breakway fittings , swivel connectors and pipe - connection fittings for petroleum products and lp - gas
紧急breakway配件旋转连接器和管道.石油产品和液化石油气用连接配件