单项选择题
墙板规格为2240*600*100mm，现场测量墙板壁厚为11mm，该板厚度符合要求（）
单项选择题 Programs are stored in program memory in form.
单项选择题 顺丰特惠产品上线时间是（）
单项选择题 For the same display character, such as "0", there is a relationship between the display code of the common anode digital tube and the common cathode digital tube.
