如采用原槽土模,在进行条形基础浇筑时,其标杆面与基础顶面标高平,标杆之间的距离约为()m。
A、1
B、2
C、3
D、5
参考答案:C
"The house ______ go to the daughter, not the son, according to the will of the father," declared the judge. [ ]
A. may
B. should
C. must
D. shall
高频保护结合滤波器的主要作用是实现高低压()。