下列哪项措施可以减少管道沿程阻力损失?()
A. 扩大管道管径、尽量减少管道的长度
B.扩大管道管径、减少管道局部突变
C.减少管道局部突变、尽量减少管道的长度
参考答案:A
The hotel _____ during our holidays stands by the seaside.
A.we stayed at
B.where we stayed at
C.we stayed
D.in that we stayed
阎某,女性,39岁。汗出恶风,周身酸楚,时寒时热,失眠,脉缓,苔薄白,治疗应选用()
A.玉屏风散
B.桂枝汤
C.当归六黄汤
D.龙胆泻肝汤
E.再造散