n.any valve that checks flow by the seating of a ball
同义词：ball valve
ball-valve例句
BALL VALVE Ball valve Ball valve Mitral replacement: clinical experience with a ball-valve prosthesis. Twenty-five years later Hemodynamic characteristics of the composite strut ball valve prostheses (Starr-Edwards track valves) in patients on anticoagulants. Mitral replacement: clinical experience with ball valve prosthesis BALL VALVE STEM SEAL ARRANGEMENT Modelling of micropumps using unimorph piezoelectric actuator and ball valves A CASE OF GASTROINTESTINAL STROMAL TUMOR OF THE GASTRIC FORNIX PRESENTED BALL VALVE SYNDROME Platelet functions in patients with aortic ball valves Performance test and flow visualization of ball valve Reduced platelet adhesiveness in patients with prosthetic ball valves: relation to adenosine diphosphate and mechanical trauma. Intraspinal extradural meningeal cyst demonstrating ball-valve mechanism of formation. Case report
