炮管

炮管 [pào guǎn]

1. ■ gun barrel; fouling

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常用词组

1. ■ 炮管镗床 gun boring machine;

2. ■ 炮管碎片 metal;

3. ■ 炮管烧蚀 barrel erosion;

4. ■ 炮管阳线直径{军} groove diameter