问题
单项选择题
叶片泵配油盘上开盲孔，是为了（）。
A.减小液压冲击
B.平衡轴向力
C.平衡径向力
D.消除困油
答案
参考答案：B
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叶片泵配油盘上开盲孔，是为了（）。
A.减小液压冲击
B.平衡轴向力
C.平衡径向力
D.消除困油
参考答案：B
| Questions 14 to 16 are based on a news report about retirement. You now have 15 seconds to read questions 14 to 16. |
According to the news reports, what happened at the Providence Retirement Home in New Albany last year
A．Two deer running in the hall.
B．Maggots in a resident’s leg wound.
C．A fire breaking out.
D．An investigation of 1400 vet facilities.