快速连接管 meaning in Chinese

quick-coupling tube

Vacuum technology . clamped type quick release couplings for high vacuum . dimensions
真空技术.高真空带卡箍的快速连接管.尺寸
Irrigation techniques - quick coupling pipes for movable irrigation supply - technical characteristics and testing
灌溉技术.可移动灌溉设备用快速连接管.技术特性和试验
Irrigation techniques - quick coupling pipes for movable irrigation supply - technical terms of delivery and testing ; german version en 12734 : 2000
灌溉技术.可移动灌溉设备用快速连接管.交货和试验的