气控系统调压阀调压时,压力升不上去应检查()。
A、空压机排出压力
B、阀体通道堵塞
C、弹簧是否断裂
D、气囊是否漏气
参考答案:B, C
沿河及受水浸淹的路基的设计高程一般应高出规定洪水频率计算水位()。
A.0.2m
B.0.5m
C.0.8m
D.1.0m
One of the men present held the view ________ the book said was right.
A.what that
B.what
C.that
D.that what