Nnyefe hydrodynamic, ihe atọ na otu ntụgharị ntụgharị torque, ntụkwasị obi dị elu, mmezi dị mfe.
Ejiri injin WeiChai 2 na -aga n'ihu & 1 ntụgharị nnyefe ike ntụgharị Inder Silinda akara ejikọtara na -enweta arụmọrụ akara dị elu yana ntụkwasị obi karịa