An intermediate spring is（）.
A. Fitted in each leg of the towing bridle
B. Generally located between the “fishplate” and the main towing hawser
C. Secured at the “H” bitts
D. Usually made of manila hawser
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汽车单方碰撞包括：（）
A. 在弯道上车辆失去控制使出公路造成翻车
B. 标的车由于避让车辆撞上撞上路边的树
C. 标的车追尾三者车后，三者车又与护栏相撞
D. 标的车由于避让行人撞上路边的墙上
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