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630
0
0
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572
0
0
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Зубчатая передача Why is the small pulley selected as the driving wheel in belt drive?
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548
0
0
2023-02-03
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567
0
0
2023-01-28
Aaron
607
0
0
2023-01-28
Aaron
488
0
0
2023-01-12
Aaron
468
0
0
2023-01-10
Лазер High density nano laser array was born! It can be driven efficiently by a single optical fiber
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535
0
0
2022-12-30
Aaron
428
0
0
2022-12-22
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593
0
0
2022-12-20
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476
1
0
2022-12-12
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493
0
0
2022-12-07
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521
0
0
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Ruida The graphics and actual graphics in the software are reversed from left to right or up to down
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556
1
0
2022-11-29
Aaron
530
0
0
2022-11-18