Judging from the fact that the other scouts haven't arrived,

Judging from the fact that the other scouts haven't arrived, they__________the b

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已知一蜗杆传动,蜗杆头数k=2,转速n1=1450r/min,蜗轮齿数z=62,求蜗轮转速。

已知一蜗杆传动,蜗杆头数k=2,转速n1=1450r/min,蜗轮齿数z=62,求蜗轮转速。

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图中为一齿轮传动,图中数字为各齿轮数,如果轴I的转速n1=730r/min,轴Ⅳ的转速应是多少?其转向与轴I相同吗?

图中为一齿轮传动,图中数字为各齿轮数,如果轴I的转速n1=730r/min,轴Ⅳ的转速应是多少?其转向与轴I相同吗?

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I want to__________my friendship with her even though I was

I want to__________my friendship with her even though I was hurt by her words.A.

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