主电路粗线条绘制在原理图的()
A、左侧
B、右侧
C、下方
参考答案:A
Our government is trying its best to ____the social security system to protect people’s rights.
A.balance
B.reform
C.conduct
D.press
测得附合水准路线AB的高差为-1.100m,已知A、B两点高程分别为5.346m、4.223m,则高差闭合差为()
A.13mm
B.23mm
C.26mm
D.30mm