【判断题】带传动一般是松边在上,紧边在下;链传动则是紧边在上,松边在下。
【简答题】On Jan 23, 2012, I was aboard a ship on the Yangtze River, listening to the sound of fireworks and eating plate after plate of dumplings. On Sunday Feb 10, 2013, I was preparing to celebrate Chinese N...
【多选题】何老师认为,托尔斯泰批判莎士比亚的原因有()。
【简答题】黑陶工艺具有黑、光、_____、_____ 四个特点。
【判断题】链传动水平安装时,一般紧边在下松边在上。