adjacent height difference的用法和样例：
- The reasons were studied based on upstream and downstream height difference and jet flow elevation design, as well as energy dissipation mechanism.
- Hobber and handlethe groove depth and height difference and pillow and a printing plate thickness and underlay between and equal.
- The breakage types of crossbeam of simply supported T beam mainly embodied with three aspects,not coplanar,height difference and damaged.
- The application research of GPS height difference in landslip monitoring[J].Bulletin of Surveying and Mapping,2005,(1):39-41.