There are better ways to control crime than by offering dictatorship.至于控制犯罪,有许多比专政更好的办法.The theory of the dictatorship of the proletariat is the quintessence of Marxism.无产阶级专政的理论是马克思主义的精髓.Does this man look like he'...
The die design critical points and advanced pressing process of board spring on shaft steamer dynamotor.介绍了汽轮发电机转轴上的板弹簧模具设计要点以及先进的压制工艺.The mechanical energy can be changed back into electrical energy by means of a dynamo...