1)bench player,(指个人)后备(替换，支持)球员2)leave reserve,后备替假人员3)leave reserve establishment,后备替假人员编制4)bench player,「后发」球员，替补球员，板凳球员5)Service and Support Personnel,服务和支持人员6)Artificial liver support device,人工肝支持设备
用法和例句
Artificial liver support devices are methods of maintaining hepatic functions in patients with liver disfunction and failure.