对于中、高水头的泄水建筑物,由于水头和单宽流量都较大,此时宜采用()
A.底流消能
B.面流消能
C.挑流消能
D.孔板式消能
参考答案:C
“病常自汗出者”的病机是()
A.荣气和
B.卫不谐
C.卫气不与荣气谐和
D.卫气谐
E.荣不谐
Your kindness in giving ______ to the consideration of the above problem will be highly appreciated.
A.importance
B.advantage
C.priority
D.authority