Synchronous forming of underground warehouse and concrete wall is a new method of constructing every sort of underground warehouses in soil.
同步成型地下仓及砼仓壁是在土中建造各种类型地下仓的一种新方法。
2
The electricity character of karst cave has much difference than that of wall rock, so the surveying method of direct current can find out if there be karst cave underground.
由于地下岩溶与周围围岩存在明显的电性差异，可以通过直流电法勘探查明地下是否存在岩溶形态。
3
This method is suitable for underground oil storage tanks and other material storages with off-wall or on-wall concrete lining, especially for underground storages which have severe leakage.