Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/a314714f14b3d101afe59c14e48304b4.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 dorsal gun turret是什么意思，dorsal gun turret的翻译，dorsal gun turret音标、读音、用法和例句_沉淀汉英词典
Their only armament was one .30 caliber machine gun in the nose, a twin .50 caliber dorsal turret, and a bottom turret. 這批飛機有著各種問題，飛機上裝備的武器衹有機頭的.30口逕的機槍、一個雙琯.50口逕的機背砲塔、以及一個底部砲塔。