电缆的一端永久性连接在封闭的水银开关内，这个完整的密封总装形成完全不透水、抗撞击装置。
One end of the cable is permanently connected to the enclosed mercury switch and the entire assembly is encapsulated to form a completely watertight and impact resistant unit.
日产公司日前宣布，其新款车将配备能滋润司机皮肤的维生素C泵。 这家日本制造商还计划为新轿车安装一套防碰撞装置，能够自动检测是否存在撞击行人的危险。
The Japanese manufacturer also plans to install anti-collision technology to its vehicles which will automatically detect if there is a risk a pedestrian might be hit.
美国航空公司发言人说，飞机降落装置的某些部分损毁，右侧的一个发动机在撞击下从机翼上脱落。
A spokesman for American Airlines says part of the plane's landing gear collapsed, and one engine on the right side fell off the wing from the impact.
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