The platform was under the control of an Israeli Air Force ground controller, who is believed to have lost contact with the UAV after which it lost altitude and hit a high-tension cable.
平台是在以色列空军地面控制器的控制之下，据信已经与无人机失去联系后，它失去高度撞上一个高压线。
The deep well coal road cable of small diameter hole and high pre-tension structure and craft were studied according to the condition of high stress and composite roof in Fengcheng coal field.
结合丰城矿区高地应力、合顶板等复杂地质条件，研究深井条件下煤巷锚索采用小孔径、加高预应力的结构形式和施工工艺。
The deep well coal road cable of small diameter hole and high pre-tension structure and craft were studied according to the condition of high stress and composite roof in Fengcheng coal field.
结合丰城矿区高地应力、合顶板等复杂地质条件，研究深井条件下煤巷锚索采用小孔径、加高预应力的结构形式和施工工艺。
应用推荐