刹车效能 meaning in English

braking ability
braking capacity

Landing surface is wet , break action poor ( medium )
道面湿，刹车效能差（中等）。
The motor has a normal maximum power of 180kw and a peak output of 230kw . external feeds are arranged to the inverter from ( i ) the accelerator pedal , ( ii ) the forwardreverse selector , and ( iii ) the brake pedal , in order to determine power demand , direction of travel ( forwards or backwards ) and brake regeneration
马达一般最大功率为一百八十仟瓦及峰值输出二百三十仟瓦。外来讯号经由i )油门踏板ii )前后波掣及iii )刹车踏板，传输至转换器以决定所需功率、行车方向（前或后）及刹车效能之再生等等。