相关考题
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单项选择题
Mainly east 3 or 4 partly cloudy to overcast occasional rain（）slowly south moderate or good.
A.spreading
B.proceeding
C.bounding for
D.going to -
判断题
密封填料如果使用代用品填入，会造成水泵故障。 -
问答题
开关电源如何散热？
