gun-barrel type plug

例句：

1. 1.The new gun barrel plug has a sleek design and is highly resistant to corrosion.
   这款新型枪管式插头设计简洁，具有很强的抗腐蚀性。
2. 2. The engineers used the gun barrel plug to fix the leaky pipe.
   工程师们使用枪管式插头来修复漏水的管道。
3. 3. The gun barrel plug was an essential part of the military's communication system.
   枪管式插头是军事通信系统的重要组成部分。