MCQOPTIONS
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| 1. |
Superpassage is a canal cross-drainage structure in which |
| A. | natural stream water flows with the free surface below a canal |
| B. | natural stream water flows under pressure below a canal |
| C. | canal water flows with free surface below a natural stream |
| D. | canal water flows under pressure below a natural stream |
| Answer» D. canal water flows under pressure below a natural stream | |