With the breakup of the Soviet Union and the collapse of bi-polar structure, the world structure develops the trend of multi-polarization.
随着苏联解体后两极格局的瓦解，世界格局不断向多极化演进。
The structure characteristics, advantages, key problems and technology requirement for bi-polar plate and winded electrodes were respectively described in detail.
详细介绍了水平双极铅布电池和卷绕式铅布电池的结构特点、优点、工艺难点和工艺要求。
The structure characteristics, advantages, key problems and technology requirement for bi-polar plate and winded electrodes were respectively described in detail.
详细介绍了水平双极铅布电池和卷绕式铅布电池的结构特点、优点、工艺难点和工艺要求。
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