空间站在过去曾经被一些很小的碎片击中过。但是这些撞击只是引起很小的损坏。大多数只是撞向空间站的太阳能板。
The space station has been hit in the past by very small debris. But these strikes caused little damage, mostly to the station's solar energy collectors.
当车辆与障碍物相撞时，乘员(由于惯性)向车辆的仪表板、挡风玻璃，特别是方向盘撞去。
If a vehicle collides with a solid object, the occupants are thrown forward against the dashboard, windshield, and protruding objects, particularly the steering wheel.
简述了板石矿业公司上青矿640主运输平巷在硐口段施工过程中，克服地质条件复杂、多变的现状，采用撞楔超前支架法施工，硐口掘凿获得成功。
The geological condition is complicated and varies often. Using the method of pre-support through hammering wedge, the cave mouth digging work of No. 640 main transportation channel was successful.
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