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【简答题】
用三针测量法测量 Tr36 ╳ 6 的梯形螺纹丝杠,已知该螺纹中径的基本尺寸φ33,上偏差为-0.125,下偏差为-0.480, 求三针的最佳直径是多少?用该直径的三针测量的 M 值范围是多少?如果测量的工件实际外径是 φ43.78 mm,改为单针测量,则测量值 A 的范围是多少?
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A.
transmission
B.
clutch
C.
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D.
converter
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A.
Perspective study.
B.
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C.
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D.
Diachronic study.
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A.
正确
B.
错误
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A.
imaginary
B.
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【单选题】Between the engine and the transmission is ________.
A.
clutch or driveshaft
B.
clutch or torque converter
C.
torque converter or planetary gear sets
D.
clutch disk or pressure plate
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