可触觉 meaning in English

tangibility

Braille & tactile markings on the lift control panel
升降机按钮有点字和可触觉的记号。
Tactile guide paths along main circulation areas of the library
主要通道均设有可触觉的警告条。
Ramp at main entrance , with handrails on both sides and tactile warning strips at both ends of the ramp
主要入口设置斜道，两旁安装扶把。斜道顶及底部，设有可触觉的警告条。
Safety of machinery - indication , marking and actuation - part 1 : requirements for visual , auditory and tactile signals
机械的安全.指示标记和驱动.第1部分:可视可听和可触觉信号的要求