控制和运行机制，可在接近空间的路线，或者是触手可及的元素(例如，光开关和精密控制)应当遵守4.27。

Controls and operating mechanisms in accessible Spaces, along accessible routes, or as parts of accessible elements (for example, light switches and dispenser controls) shall comply with 4.27.

youdao

控制和运行机制，可在接近空间的路线，或者是触手可及的元素(例如，光开关和精密控制)应当遵守4.27。

Controls and operating mechanisms in accessible Spaces, along accessible routes, or as parts of accessible elements (for example, light switches and dispenser controls) shall comply with 4.27.

youdao