thrust chamber efficiency
thrust force efficiency
thrust reverser efficiency
frontal thrust of the Longmenshan thrust belt
impeller thrust-total thrust ratio
thrust bearing [= thrust block]
Downsizing for efficiency; cut payroll to improve efficiency
Efficiency Congestion in the Efficiency Intervals
High Efficiency and Premium Efficiency Motor
2-d pitch-only thrust vectoring
2-D Yaw-Only Thrust Vectoring
active magnetic thrust bearing
additional thrust rudder fin
adjustable thrust bearing