His starting material, as he describes in a paper in Nature Nanotechnology, is made of closely packed polystyrene spheres about a millionth of a metre in diameter.
Braun博士最开始采用的材料正是他在自然纳米技术杂志所描述的那样，是由直径为百万分之一米紧密排列的聚苯乙烯小球组成。
Usage: suitable for auto starting motor commutator with big wire diameter and armature coil etc. wire spot welding.
用途：用途：适用汽车起动电机较大线径的换向器与电枢绕组等线的点焊。
Usage: suitable for auto starting motor commutator with big wire diameter and armature coil etc. wire spot welding.
用途：用途：适用汽车起动电机较大线径的换向器与电枢绕组等线的点焊。
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