现代的机枪是很容易换枪管的，一般都要有两到三个备用枪管，枪管打热了，就换一个。

来源: XYZ94538 于 2020-01-01 11:20:56 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.