lead free

基本解释

The copper body of the Series CU7 is lead free and is of a time proven durable material.
系列CU7的阀体为铜结构，不含铅，是一种被证明为持久耐用的材料。
Because it is a by-product of lead refining, bismuth oxychloride should be lead free when companies begin using it in their cosmetics.
因为这是铅精炼后的副产品，在化妆品中使用它，必须除去其中混杂的铅成分。
Older homes may have lead pipes, but even new plumbing that’s lead free can still contain lead in brass fitting or faucets or in copper pipes with soldered joints.
旧的家庭用的是铅管，但是即使是新的无铅水管装置在焊接接头的铜管件或水龙头或铜管中也含有铅。

This,he said,would lead to war between the slave-holding and free states.
"The Cuban people are not free." Numerous other leaders expressed hope for sustained dialogue between the United States and Cuba that will lead to normalized relations, while addressing human rights and political reform on the island.
"We are trying to encourage Burma to conduct the kind of internal dialogue with all of the stakeholders including Aung San Suu Kyi that could lead to there being fair,free and credible elections next year,".

In addition, Panasonic continues its commitment to the environment by improving the panel luminance efficiency, as well as producing mercury and lead free panels.
ENGADGET: Panasonic unveils Infinite Black Ultra Panel plasmas for 2012 (eyes-on)

无铅
The EM problem has still attracted a lot of attention even after development of lead free solders.
无铅钎料出现后,电迁移问题仍然引起了广泛的关注。
化学
无铅