【单选题】在 T2 运行(测试 2 )中,以下说法那个是正确的?
【多选题】根据增值税法律制度的规定,下列各项中,应视同销售货物缴纳增值税的有( )
【判断题】A design for heat transfer is found in a double-pipe heat exchanger. A double-pipe exchanger has a pipe inside a pipe. The outside pipe provides the tube, and the inner pipe provides the shell.
【简答题】double-pipe exchanger
【判断题】在进行分组统计时,如果需要对分组进行筛选,应使用HAVING语句而不是WHERE语句
【简答题】A design for heat transfer is found in a heat exchanger. A double-pipe exchanger has a pipe inside a pipe. The outside pipe provides the , and the inner pipe provides the .