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据日本铝业协会的调查，美国搞压力大于８０ＭＮ的挤压机有７台，德国有１台，它们的简明技术参数如下：美国及德国挤压力大于80MN的挤压机@王祝堂
According to the survey by Japan Aluminum Association, there are 7 extrusion presses in the United States with pressure greater than 80MN and 1 in Germany. Their simple technical parameters are as follows: Extruders with pressure greater than 80MN in USA and Germany @ Wang Zhuotang