capacitive approach switch

例句：

1. 1. The capacitive approach switch is used to detectthe presence of an object in a specificarea.
   电容式接近开关用于检测特定区域内物体的存在。
2. 2. The capacitive approach switchis widely used in industrial automation systems.
   电容式接近开关在工业自动化系统中广泛应用。
3. 3. Thecapacitive approach switch is a reliableand efficient way to control access to restrictedareas.
   电容式接近开关是一种可靠且高效的控制进入受限区域的方式。