accidental sticking of the valve
externally positioned mechanical valve
four-way valve with three-position
Mechanical valve replacement
mechanical valve replacement surgery
Solenoid Valve with High Frequency
switch valve with two-position and five-pass
the mass of the valve plate
Valve Mechanical Interlocks
valve with inclined stem
Discussing the mechanical ventilation technique
prediction of the mechanical behaviors of rock engineering
the Mechanical Alloying