Hill / Steep Grade：含义与应对方法

Hill / Steep Grade是什么意思？

A steep hill is ahead. Use lower gear and control your speed.

关于此标志

This sign warns of a steep downgrade where brake overheating may occur. Use a lower gear to help control speed.

其他Warning Signs

Sharp Turn

W1-1

Curve Ahead

W1-2

Reverse Turn

W1-3

练习交通标志题目

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