riser system meaning in Chinese

隔水管装置

Petroleum and natural gas industries - design and operation of subsea production systems - completion workover riser systems
石油和天然气工业.水下采油系统的设计和操作.完井修井提升管系统
Installation of a new retractable telescopic seat riser system with 3 , 200 seats in hall 3 , the centre s popular entertainment venue , to provide concert audiences with additional comfort and improved sightlines ( mar 2003 )
于会展中心的展览厅3装设了一台可自动伸缩的梯阶座位设备，可提供3 , 200个座位，并能增加观众在此观赏节目的舒适感和拉近视线距离。