electric alarm
英
美
- 电警报
双语例句
- Magnetic snap-action electric alarm contacts are used in adverse operating conditions.
磁性吸合电警报接点用于相反的操作条件。 - Electric alarm contacts open and close circuits in response to the position of the pressure gauge pointer.
电警报接点根据压力表指针的位置开启和关闭电路。
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