Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/3b2f72f342a23e57d96cd0c45604405e.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 breech bolt例句_breech bolt英汉例句_breech bolt双解例句_欧米惠必应词典
When looking ahead from the gun breech, if the Gatling gun rotates in clockwise direction, the left guide rail of the bolt carrier should be in higher position; 从炮尾方向向前看，如果转管炮是顺时针旋转，则左侧导轨适宜布局得高一些；