在天车上常用的电阻丝规格直径1~2毫米,较大容量的电阻元件采用()并绕。
参考答案:双股
I can think of many cases ________the media have a strong effect on young men. [ ]
A. why
B. where
C. as
D. which
啤酒品评时,品评室温最好在()℃左右,相对湿度保持()%为佳。