secondary stress distribution
earth stress determination
Earth Stress Observation
Initial earth stress field
secondary seta secondary hair
boundary line of two times between earth excavation area and earth fill area
Earth Day [first Earth Day in 1970]
Chromic stress Cr stress
critical stress intensity factor(KISCC) of stress corrosion cracking
stress relaxatio method of borehole stress gages
threshold stress intensity for stress corrosion cracking KISCC
3D simulation of primary and secondary equipment
3-phase secondary rectification
ability of secondary elevator