照门上有用于夜间射击的荧光点.The rear of the revolver has two fluorescent spots for night firing.加沙的天空上流传着有用于监视的无人驾驶轰炸机.The skies above Gaza are buzzing with surveillance drones.有用于化工, 冶炼, 加工成工艺品, 装饰品的萤石!Are used for chemical, smeltin...