于a÷13=b÷12(a、b均不等于0),
又13<12,
根据除法的意义可知,
a<b.
故选:B.
降压变电所全部停电检修时,只需将可能来电的部位悬挂临时接地线,其余部分可以不挂。
They will build a factory _____ produces things that have never been seen before. [ ]
A. where
B. which
C. that
D. /