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苏联科技人员将阔叶林木材浸泡在氨水中,经过一定的时间,其木材使用性能超过硬质木,不仅能做建筑材料,还可代替金属制造轴承、轴承套和齿轮,可用机床进行加工。
The Soviet Union science and technology personnel soak the broad-leaved forest timber in ammonia. After a certain period of time, its wood performance exceeds that of hardwood. It can not only make building materials, but also replace the metal to make bearings, bearing bushings and gears and can be processed by machine tool.