在技术分析中,对称三角形的特点是一般应有6个转折点。
参考答案:对
解析: 对称三角形一般应有6个转折点。
. Our parents as well as teachers often encourage us students to have _______to do something
beneficial for our country.
A.decision
B.ambition
C.plan
D.project
隔离开关的开合角度:分闸90°,允许误差(),合闸成直线。