易混淆的单词： Graben

The valley itself is actually a graben .

死谷本身其实是一个地堑。

One is the half graben depression , and the other is the graben depression .

其一是半地堑型凹陷，其二是地堑型凹陷。

Depositional sequences of yitong graben ( eastern china ) and its response to transform extensional processes .

伊通地堑的沉积充填序列及其对转换伸展过程的响应。

Dongguan graben in the first german city by-laws made christmas decoration factory .

东莞附城堑头德发圣诞装饰厂。