未知题型
The Official Residence of Prime Minister is Zhonghua Hall.
铸坯冷却到＞900℃进行矫直是（)。A.硬冷却B.软冷却C.冷行D.热行
单项选择题铸坯冷却到＞900℃进行矫直是（)。
分拣站编码器工作电压（ ）A、0-12VB、0-24VC、0-36VD、12-24V
单项选择题分拣站编码器工作电压（ ）
On Youth Council, wants to work with young people who a...
未知题型On Youth Council, wants to work with young people who are 8______
