principal diagonal
| line of
| matrix
| principal diagonal | |
| bridg.constr. | 主对角线 |
| line of | |
| auto. | 压力线; 啮合线 |
| matrix | |
| agric. tech. | 打捆机; 粘料; 粘接介质; 矩阵粘合材料; 胶接剂 |
| hydroel.st. од. | 矩阵 |
| nucl.phys. | 基料; 封装基料 |
| soil. | 基体 |
| |||
| 主对角线 | |||
| 主斜杆; 主斜撑 | |||
|
principal diagonal : 8 phrases in 2 subjects |
| Bridge construction | 4 |
| Technology | 4 |