阀型避雷器工频放电电压试验的电源波形要求为高次谐波。
参考答案:错
—Would you like to play basketball?
—_______. [ ]
A. I'd like
B. I'd love to
C. No, I wouldn't
D. Yes, I would.
下列食品中,哪些须选用减压干燥法侧定其水分含量()
A.蜂蜜、水果罐头
B.面包、饼干
C.麦乳精、乳粉
D.味精
E.米、面、油脂