ball spark gap

例句：

1. 1.The ball spark gap is a crucial component in the electrical circuit.
   球火花间隙是电路中至关重要的组成部分。
2. 2. The engineer carefully measured and adjusted the ball spark gap to ensure optimal performance.
   工程师仔细测量并调整球火花间隙，以确保最佳性能。
3. 3. During testing, the ball spark gap failed to produce the expected voltage.
   在测试过程中，球火花间隙未能产生预期的电压。