• 1. early ignition: 提前点火
• 2. early y ignition: 提前点火

• 1.Flintlock: Ignition system for firearms early 16 th century, it 'superseded the matchlock and the wheel lock.
  燧发机：火器点火系统，始于16世纪初，取代火绳机和转轮打火机转轮打火机。
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