一般低碳钢当温度在()时,屈服极限就接近于零。
A.600-6500C
B.650-7000C
C.700-7500C
D.900-9500
参考答案:A
解剖式后牙的牙尖斜度为()
A.面牙尖斜度约40°
B.面牙尖斜度约35°
C.面牙尖斜度约30°
D.面牙尖斜度约25°
E.面牙尖斜度约20°
I want to a banana smoothie. Could you help me the milk into the blender? [ ]
A. take; pour
B. make; pour
C. make; pouring
D. taking; pour