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【简答题】
剪切的混合效果与哪些因素有关？
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反馈参考答案：
举一反三
【多选题】某轮盘的材料牌号是Q235，下面关于该材料叙述正确的是
A.
该材料属于碳素结构钢
B.
该材料的含碳量在0.235%左右
C.
该材料的抗拉强度是235Mpa
D.
该材料的零件常常采用的热处理方法是“调质处理”
【单选题】If two theories are equal (to) their ability to account (for) a body of data, the theory that (does so) with the smaller number of assumptions is (to be preferred).
A.
to
B.
for
C.
does so
D.
to be preferred
【单选题】Why are tourists asked not to feed the ponies?
A.
To protect the tourists from being bitten
B.
To keep the ponies off the petrol station
C.
To avoid putting the ponies in danger
D.
To prevent the ponies from fighting
【简答题】船舶上用的煤油灯
【单选题】The operation of paralleling two alternators requires( ) to be equal and also in phase
A.
the currents
B.
the voltages
C.
the resistances
【单选题】The operation of _______two alternators requires the voltages to be equal and also in phase
A.
paralleling
B.
series-mounting
C.
running
D.
controlling
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