flow matrix

matrix flow

coupling of channel flow with seepage flow

flow shear force and physicochemistry of flow

Measuring surface flow direction and flow rate

overland flow and channel flow

The ratio of pulmonary flow to systemic blood flow

transition from free surface flow to pressurized flow

transition of gate flow and weir flow

varied flow from free-surface to pressure flow

a labor fair

abnormal labor

Abnormal labor stage

Abnormal pregnancy and labor

Abroad labor

accelerated labor

accepting unit of labor

accompanied delivery during the entire labor process

accompanied labor

accompanying labor