The serious troubles may be take place when the fouling is generated on main vapor valves, monitor valves and the valve.
若主汽阀、调节阀以及抽汽逆止阀的阀杆上结垢引起卡涩，还可能导致汽轮机发生严重事故。
Objective: to monitor the curative effect of oral warfarin for the patients after heart mechanical valve displacement by the prothrombin time (PT).
目的评价采用凝血酶原时间(PT)监测心脏机械型瓣膜置换术后患者口服华法林治疗效果的意义。
The results show that vibration monitor can diagnose the troubles of abnormal valve sound.
试验证明用振动检测技术可以诊断发动机的气门异响故障。
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