Mechanical valve lifter 机械式汽门举杆
mechanical valve prosthesis 机械瓣膜 ; 机械心脏瓣膜
mechanical valve replacement 机械瓣膜置换 ; 机械瓣膜置换术
mechanical valve linkage 机械式阀连杆机构
externally positioned mechanical valve 外置式机械阀
mechanical oil valve [油气] 机械式油阀
not mechanical valve 非机械阀
heart mechanical valve 心脏机械瓣膜
A check valve is a mechanical valve that only permits water flow in one direction.
检查阀(单向阀)是一个手动阀门，这样水只能往一个方向走。
The hypercoagulable state poses an extra problem in women with a mechanical valve prosthesis.
高凝状态给机械瓣膜妇女带来了麻烦。
In the ZAHARA study, mechanical valve prosthesis predicted both maternal and neonatal complications.
ZAHARA研究中，机械瓣对产妇和新生儿并发症均有预测价值。
应用推荐