| 1. | Most metallic and some nonmetallic elements will emit characteristic radiations .
大多数金属和某些非金属元素都会发出特有的射线。 |
| 2. | Q represents the nonmetallic atoms necessary to complete a heterocyclic nucleus containing 5 atoms in the heterocyclic ring .
Q是形成5个原子杂环核所必须的非金属原子。 |
| 3. | Nonmetallic underground piping for flammable liquids
输送可燃液体用非金属地下管道 |
| 4. | Nonmetallic six - angled locknut with component embedded
非金属嵌件六角锁紧螺母 |
| 5. | Standard for safety for nonmetallic cable tray systems
非金属电缆盘系统的安全标准 |
| 6. | Nonmetallic six - angled locknut with component embe
非金属嵌件六角锁紧螺母 |
| 7. | Nonmetallic underground conduit with conductors
带导线的非金属地下导管 |
| 8. | Metric nonmetallic air brake system tubing
米制非金属空气制动系统管路 |
| 9. | Nonmetallic safety cans for petroleum products
石油产品用非金属安全罐 |
| 10. | Nonmetallic safety cans for petroleum products
石油产品用非金属安全罐 |
