Electric breakdown strength of these films is a particular characteristic parameter.
它们的电击穿场强是一个特殊的特性参数。
The characteristic and its production process flow of high strength welded pipe are introduced.
介绍了强力焊管的特点及其生产工艺流程。
The characteristic and its production process flow of high strength welded pipe are introduced.
介绍了强力焊管的特点及其生产工艺流程。
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