平常放在衣柜中防止虫蛀，有着特殊气味的卫生丸又叫什么？
参考答案：
平常放在衣柜中防止虫蛀，有着特殊气味的卫生丸又叫樟脑丸。
M1432A外圆磨床砂轮主轴的轴线漂移量可控制到（）mm左右。故主轴有较高的旋转精度。
A、0.002
B、0.003
C、0.004
Many countries are increasing their use of natural gas, wind and other forms of ________.[ ]
A. power
B. force
C. energy
D. strength
untries are increasing their use of natural gas, wind and other forms of ________.[ ]