Due to the unloading and loose - ning brought about by tectonic shattering and river cutting, the mud limestone becomes favorable for water infiltration and karstification.

由于构造破碎和河流切割引起岩石卸荷与松动，使岩石有利于水的渗入和岩溶作用。

youdao

The Xuyi Huaihe River bridge is a bridge combined with pipeline and road in Lu-Ning Oil pipeline.

鲁宁管线上的盱眙淮河大桥是管桥结合的一座桥。

youdao