大型柴油机出厂座台试验主要项目有哪些?
参考答案:
1)调整平衡试验。
2)磨合试验。
3)负荷特性试验。
4)调速特性试验。
5)起动换向试验。
6)停缸或停增压器试验。
25. It is only after my father was long gone _____ understand his deep love for me.
A.I could
B.could I
C.that I could
D.when I could
肾积水的声像图表现()
A.肾盂分离中间为液性暗区
B.肾盂分离中间为液性暗区,液性暗区与输尿管相通
C.肾盂分离中间为液性暗区,液性暗区与输尿管相通,液性暗区不相通
D.肾盂分离中间为液性暗区,液性暗区与输尿管相通,液性暗区互不相通,液性暗区液腔饱满
E.肾盂分离中间为液性暗区,液性暗区与输尿管相通,液性暗区液腔饱满