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从1991年开始,我局保修厂就用环氧树脂修补缸体等箱体零件。1992年2月,我们开始用耐磨胶试验修复汽车减速器壳主动圆柱齿轮和被动齿轮轴承孔。
From 1991 onwards, I Bureau repair plant to repair the tank and other parts of the box with epoxy resin. In February 1992, we began to use the wear-resistant rubber test to repair the automotive gearbox drive spur gear and passive gear bearing holes.