| 1. | Hygienic standard for lead content of pencil coating 铅笔涂漆层中含铅量卫生标准 |
| 2. | Chemical analysis of lead . direct determination of lead 铅的化学分析.含铅量的直接测定 |
| 3. | Hot water is more likely to contain lead 而热水的含铅量要高些。 |
| 4. | Very high levels can be deadly 过高的含铅量会导致死亡。 |
| 5. | Determination of the amount of lead in the seedling of alfalfa planted in different greenbelt in yinchuan 绿化带中紫花苜蓿嫩芽含铅量的分析 |
| 6. | Yet recent studies have suggested that children with less than that can still suffer harmful effects 但是最近研究表明,含铅量低于此标准的儿童仍然可能受到危害。 |
| 7. | Yet recent studies have suggested that children with less than that can still suffer harmful effects 然而最近的研究显示孩子(血液中含铅量)少于临界标准的仍然会造成伤害。 |
| 8. | Mattel says the toys had unsafe amounts of lead paint and small magnets children could choke on 美泰公司说,这些玩具的含铅量超过安全标准,并带有儿童可能吞咽而导致窒息的小磁片。 |
| 9. | Yet recent studies have suggested that children with less than that can still suffer harmful effects 然而,最近的研究建议说即使儿童体内含铅量低于这个水平,仍旧会受到不好的影响。 |
| 10. | The u . s . government has recalled more chinese - made toys from the marketplace because of excessive amounts of lead 美国政府宣布从商场召回更多中国制造的玩具,原因是这些玩具的含铅量过高。 |