His head hit against the wall.
他的头撞到墙上。
His head hit against the wall.
他的头碰到墙上。
The car hit against the garage door.
汽车撞到了车库门上。
他撞到了树上。
His head hit against the wall a few minutes ago.
几分钟前，他的头撞在了墙上。
The structure, working principle, design of software and hardware of an electronic hit-against device are introduced.
介绍了一种电子式天车防碰装置的结构及工作原理、软硬件的设计。
The structure, working principle, design of software and hardware of an electronic hit-against device are introduced.
介绍了一种电子式天车防碰装置的结构及工作原理、软硬件的设计。
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