三阀的;
例句:
Provide a three-valve bypass to facilitate inspection of the reducing valve without interrupting service.
配置一个三阀旁路来简化减压阀的检查,不需要断开管线服务。
Two five pain with double acting solenoid valve actuator. 2 solenoid valve with three single-action actuators.
二位五痛电磁阀配双作用式执行器. 二位三通电磁阀配单作用式执行器.
Results Mitral valve and tricuspid valve prolapse were classed three grades.
结果二、三尖瓣脱垂分为三级.