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【单选题】
用于制造柴油机曲轴,减速箱齿轮及轧钢机轧辊的铸铁为( )
A.
可锻铸铁
B.
墨铸铁
C.
灰口铸铁
D.
口铸铁
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参考答案:
举一反三
【简答题】钻孔灌注桩泥浆的作用是什么?共有哪几个指标?
【单选题】You seem to be dissatisfied with your present post. I don’t think you judged your ability objectively when you applied for it,____ you?
A.
do
B.
don’t
C.
didn’t
D.
did
【单选题】三相异步电动机正反转控制电路在实际工作中最常用最可靠的是
A.
倒顺开关
B.
接触器联锁
C.
按钮联锁
D.
按钮与接触器双重联锁
【多选题】钻孔灌注桩泥浆的作用是( )。
A.
护壁
B.
浮悬钻渣
C.
保持孔内水头
D.
保证钻进速度
【单选题】国外做事跟中国相反,依次是:()
A.
合情、合理、合法
B.
合理、合情、合法
C.
合法、合情、合理
D.
合法、合理、合情
【单选题】I think it is a little _______ to get married in a church when you don’t believe in God.
A.
difficult
B.
hypocritical
C.
unattached
D.
solemn
【单选题】I don’t think you judged your ability objectively when you applied for it, ______ you?
A.
do
B.
did
C.
don't
D.
didn't
【单选题】I think it's a little to get married in a church when you don’t believe in God.
A.
difficult
B.
hypocritical
C.
unattached
D.
solemn
【单选题】I think it’s a little ___ to get married in a church when you don’t believe in God. A. B. C. D.
A.
difficult
B.
hypocritical
C.
unattached
D.
solemn
【单选题】三相异步电动机正反转控制电路在实际工作中最常用最可靠的是( )。
A.
按钮联锁
B.
按钮与接触器双重联锁
C.
倒顺开关
D.
接触器联锁
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