left-hand rule (fleming’s rule for motors)
Ⅰ-Ⅲ compound type cracks
a beam with multiple cracks
a circular hole with two cracks
a periodic array of cracks
Air quenching-cracks determination method
Analysis of Quenching Cracks of Pump Axle
arc-wave welding cracks
artificial initial cracks
Asphalt Pavement Cracks
assorted cracks in different deformation periods