complex variable stress function

Full-variable-speed pump stations

single stress variable

stress variable

full stress

full stress axiom

full stress criterion

full stress design

Full stress optimal design

full stress-strain curve

imitated full-stress method

imitative full stress design

imitative full-stress

imitative full-stress design

Imitative full-stress design method

alternating current Variable Voltage Variable Frequency

explosion-proof variable frequency variable speed

function of complex variable complex variable

independent variable×subject variable design