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。”
New: Media Library, replacing old "database" functionality.
新的媒体收藏库，取代老旧的“资料库”功能。
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。
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。”
Given the growing focus on energy conservation, the demand for replacing old air conditioning systems with new energy efficient models will be on the rise, thereby adding to market gains.
考虑到能源节约等观念的增长，使用新型能效空调代替老旧系统的需求将快速增长。
Replacing old, leaky windows with higher-efficiency models can also make your home greener.
换掉又旧又漏风的窗子，换上高度节能的窗子也一样可以让你的家更节能。
Replacing old, leaky windows with higher-efficiency models can also make your home greener.
换掉又旧又漏风的窗子，换上高度节能的窗子也一样可以让你的家更节能。
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