The design and application effect of the horizontal twinroler machine for coal briquetting have been introduced.介绍了用于压制型煤的卧式对辊压球机的设计和应用效果.Design modification route of large output briquetting machine was put forward base...
Pragmatically, MTV's survival depends on selling the youth market to advertisers.从务实角度来说，音乐电视网的生存依赖于把年轻人市场卖给广告商。Teachers often view youth workers as undisciplined and ineffectual.老师们常认为青少年工作者纪律性差且能力低下。I think your S...