“valved”造句，怎么用valved造句

An apparatus for producing a strong current of air, as for sounding a pipe organ or increasing the draft to a fire, consisting of a flexible, valved air chamber that is contracted and expanded by pumping to force the air through a nozzle.

All isolation points must be valved to avoid forming dead legs in the system being passivated.

Color Doppler echocardiography is very important in structural and hemodynamic research of right ventricular outflow tract reconstruction with valved bovine jugular vein conduit in pulmonary atresia.

Methods:There were 7 patients who had been performed a kind of right atrium to right ventricle connection with the flap of cryopreserved valved homopulmonary artery.

Ostracodes are small animals, most of which have a two valved shell.