1年前1个回答
图示多跨梁,自重不计.已知:M,P,Q,L.试求支座A,B的反力
1年前1个回答
你能帮帮他们吗
精彩回答
______ he has said sorry to you, please give him another chance. A.When B.Since C.Before D.Until
11个月前
He said he would rather not _____ it right now.
1年前
My daughter ____ (finish) her homework before I came back home.
1年前
I ________ for you for two hours at the gate of school.
1年前
工厂上月计划生产机床6400台,实际超额8%,工厂上月实际生产机床多少台?
1年前