| 1. | Were probably striated lead pipes an inch in diameter
可能是直纹管口径1英寸 |
| 2. | Were probably striated lead pipes an inch in diameter
可能是直纹管口径1英寸 |
| 3. | Algebraic ruled surface
代数直纹曲面 |
| 4. | Conjugate ruled surface
共轭直纹曲面 |
| 5. | Vertical - surface laminates
直纹层板 |
| 6. | Swallows and fish
粉彩燕鱼直纹壶 |
| 7. | A paper made on wire molds that give it a characteristic watermark of close thin lines
直纹纸在铜网上压出的、带有密而细的水纹印的纸张 |
| 8. | Abstract : there are lots of advantages by cold extrusion for straight knurlnut in a single process
文摘:直纹滚花螺母采用冷挤压一次成形新工艺，成效显著。 |
| 9. | A ruled surface of revolution formed by an edged circle as the guide element is proposed in the category of basic geometrical bodies
摘要在基本几何体的范畴内，提出一种以棱圆为导元素的直纹曲面。 |
| 10. | From chang - bai mountain , china . presenting fine grain . its color presents nature and balance after decoration
产于美洲与大陆东北长白山之高级木材。花纹漂亮，直纹纹路浅直，山纹颜色清爽，装饰效果自然。 |
