breaker arm
常见例句
- The circuit breaker is provided with the following components: a handle arm (1), which can shaft support a fixed part in a rotating way, and operates through a handle (2);
该电路断路器具有：手柄臂部（1），其可转动地轴支撑在 固定部上，通过手柄（2）进行操作；
ip.com 返回 breaker arm