The lead poses little threat if undisturbed but "replacing old windows or drilling into walls to blow in insulation, for example, can contaminate the house with lead dust," CELA said.

在没有施加外力影响的情况下，铅的危害并不大。 但是CELA解释说：“比如，在更新旧的窗户或者钻进墙壁中嵌入绝缘材料的时候，可能使房间受到铅尘的污染。”

youdao

New: Media Library, replacing old "database" functionality.

新的媒体收藏库，取代老旧的“资料库”功能。

youdao

Introduces the wire rope changing techniques of man car, using man car to drive new ropes replacing old ones, the steel wire rope twist machine recycles old ones.

介绍了架空乘人装置钢丝绳更换工艺，利用架空乘人装置驱动旧绳带新绳、钢丝绳缠绳机回收旧绳。

youdao

She did not like the new values of money replacing the old values of family.

VOA: special.2010.10.24

Its growth should pick up as customers start replacing old PCs with Windows 8 systems from Microsoft ( MSFT).

FORBES: Connect

In practice, it would mean replacing old debts with new debts - borrowing new money to repay existing creditors.

BBC: Boom-year debts could bust us

They include demolishing the old link bridge and replacing old canopies and platforms.

BBC: Reading station delays warning as upgrade works ramped up