同根派生 gun emplacement相关词英汉例句The movements of these sights were transmitted electrically to the gun mounts, which duplicated sight motion by matching pointers.这两具瞄准镜的动作以电气方式传达到各炮位,各炮位再按仪表读数复制瞄准镜的动作。gun emplacement更多例句