pole mounted switch

例句：

1. 1.The new pole-mounted switch has a sleek design and is easy to install.
   新的柱式安装开关设计简洁，易于安装。
2. 2.The pole-mounted switch was designed to be durable and reliable.
   柱式安装开关被设计为耐用和可靠的。
3. 3. The pole-mounted switch is used in many industrial applications to control access to areas where hazardous materials are stored.
   柱式安装开关在许多工业应用中使用，用于控制进入存储有危险物质的区域的访问。