The spring eventually caused the plunger to rise, and moved the switch to the “on” position. The wipers wiped.
当弹簧最终抬高柱塞，将开关推向“打开”位置时，雨刷开始运行。
2
This sets a system-wide property, which is read by the factory class used to switch between integration implementations, this time using the Spring model.
此文本将设置一个系统范围的属性，该属性可被工厂类读取，用于在集成实现之间进行切换，此时使用 Spring 模型。
3
Proximity limit switch, directly actuated, spring returned, normally closed. Right-click for closed or held open.