By reutilizing and welding discarded tubes and saddles the old bike parts can be re-incorporated into the public realm as a simple useful urban furniture piece.
通过把这些旧自行车的部件（管子呀，座椅之类的）重新组装焊接，设计出来这款简单而又实用的城市公共设施。
In addition, polymer microporous filter media can be easily carried out planing, sawing, turning, welding and other re-processing, and the installation and maintenance is more easy and convenient.
另外，高分子微孔过滤介质可以很容易进行刨、锯、车、焊等再加工，安装与维修较轻松方便。
During welding metallurgic process, re compound with surface energy separated out previously from superheating melted metal, and acted as the crystallizing nucleus of compound carbides.
具有高能表面的稀土化合物质点，在焊接冶金过程中领先析出于过热液相内，充当了包裹式碳化物颗粒的非自发晶核核心。
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