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7-4作业题: 习题1 (1)、(2)、(4) 习题2 (1)、(3)、(4)
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举一反三
【单选题】下面液压控制阀中没有油直接从阀流回油箱的是
A.
作定压阀用的溢流阀
B.
先导式减压阀
C.
普通型调速阀
D.
旁通型调速阀
查看完整题目与答案
【单选题】先导式减压阀中,主阀的作用( )
A.
调压
B.
溢流
C.
减压
D.
背压
查看完整题目与答案
【判断题】先导式减压阀中,主阀的作用是调压。
A.
正确
B.
错误
查看完整题目与答案
【单选题】From Gates' mention of W. E.B.Du Bols and Malcolm X we can infer that ______.
A.
Gates is reluctant to take the latter as his ancestor
B.
Gates regards the former as more successful than the latter
C.
Gates remains a follower of the former instead of the latter
D.
Gates claims to have a similar career to that of the former
查看完整题目与答案
【判断题】机床X轴在退回换刀过程中报警,这种状况与轴运动有关。( )
A.
正确
B.
错误
查看完整题目与答案
【判断题】先导式减压阀中,主阀的作用是减压。
A.
正确
B.
错误
查看完整题目与答案
【单选题】From Gates's mention of W. E.B.Du Bois and Malcolm X we can infer that ______.
A.
Gates is reluctant to take the latter as his ancestor
B.
Gates regards the former as more successful than the latter
C.
Gates remains a follower of the former instead of the latter
D.
Gates claims to have a similar career to that of the former
查看完整题目与答案
【单选题】Bill Gates is from the .
A.
UFO
B.
USA
C.
PRC
D.
PK
查看完整题目与答案
【单选题】Bill Gates is from the _________..
A.
UN
B.
USA
C.
PRC
D.
HK
查看完整题目与答案
【判断题】先导式减压阀中，主阀芯上弹簧的作用是使主阀芯复位。
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【单选题】下面液压控制阀中没有油直接从阀流回油箱的是
A.
作定压阀用的溢流阀
B.
先导式减压阀
C.
普通型调速阀
D.
旁通型调速阀
查看完整题目与答案
【单选题】先导式减压阀中,主阀的作用( )
A.
调压
B.
溢流
C.
减压
D.
背压
查看完整题目与答案
【判断题】先导式减压阀中,主阀的作用是调压。
A.
正确
B.
错误
查看完整题目与答案
【单选题】From Gates' mention of W. E.B.Du Bols and Malcolm X we can infer that ______.
A.
Gates is reluctant to take the latter as his ancestor
B.
Gates regards the former as more successful than the latter
C.
Gates remains a follower of the former instead of the latter
D.
Gates claims to have a similar career to that of the former
查看完整题目与答案
【判断题】机床X轴在退回换刀过程中报警,这种状况与轴运动有关。( )
A.
正确
B.
错误
查看完整题目与答案
【判断题】先导式减压阀中,主阀的作用是减压。
A.
正确
B.
错误
查看完整题目与答案
【单选题】From Gates's mention of W. E.B.Du Bois and Malcolm X we can infer that ______.
A.
Gates is reluctant to take the latter as his ancestor
B.
Gates regards the former as more successful than the latter
C.
Gates remains a follower of the former instead of the latter
D.
Gates claims to have a similar career to that of the former
查看完整题目与答案
【单选题】Bill Gates is from the .
A.
UFO
B.
USA
C.
PRC
D.
PK
查看完整题目与答案
【单选题】Bill Gates is from the _________..
A.
UN
B.
USA
C.
PRC
D.
HK
查看完整题目与答案
【判断题】先导式减压阀中，主阀芯上弹簧的作用是使主阀芯复位。
A.
正确
B.
错误
查看完整题目与答案