离心泵启动时,为减小启动功率,应将出口阀门关闭,这是因为流量增加而()增大。
参考答案:功率
Titanic 3D moved all audience to tears once again, ________ our attention to Cameron ‘s films and the definition of true love.
A.turning
B.to turn
C.turned
D.being turned
挖孔桩的优缺点有哪些