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【单选题】
调整图中箭头所指处的螺母,可以解决主轴轴线 超差的问题。A.
径向跳动
B.
轴向窜动
C.
对溜板箱移动的平行度
D.
导轨在垂直平面内的直线度
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【单选题】The map was drawn to the standard ______ of 1/100000 so there was not much detail.
A.
route
B.
line
C.
rate
D.
scale
【单选题】听力原文：M: Do you want your television repaired? W: Yes, but not by the place you recommended. M: Why not? The repairmen are very good and the charges are so reasonable. W: That may be, but I couldn't fi...
A.
It needed fixing.
B.
It got lost.
C.
It couldn't receive any program.
D.
Its images were not clear.
【单选题】There was not much hope that they______
A.
are still alive
B.
are still survived
C.
were still alive
D.
were still survived
【简答题】近地气层空气中二氧化碳的浓度一般白天比晚上 ,夏天比冬天 。
【单选题】听力原文：M: Do you want your television repaired? W: Yes, but not by the place you recommended. M: Why not? The repairmen are very good and the charges are so reasonable. W: That may be, but I couldn't fi...
A.
It needed fixing.
B.
It got lost.
C.
It couldn't receive any program.
D.
Its images were not clear.
【单选题】The map was drawn to the standard______ of 1/100,000, so there was not much detail.
A.
route
B.
latitude
C.
rate
D.
scale
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