【简答题】存储过程必须使用 语句调用,并且存储过程和数据库相关。
【单选题】某调节阀相对流量(Q/Qmax)与相对行程(l/L)成正比,则其特性为( )。
【单选题】_____ he is over sixty, he works as hard as others.
【单选题】Though he is in his sixties, ______ he works as hard as a young man
【单选题】圆柱表面是由圆柱面和与它( )的两圆形底面组成的。
【单选题】He works as hard as others, he is in poor health.
【单选题】某调节阀相对流量(Q/Qmax)与相对行程(I/L)成正比,则其特性为()
【单选题】_____ he is over sixty, _____ he works as hard as others.