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圆头一字槽螺钉的俯视图。
Top view of countersunk slotted screw.
youdao
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圆头一字槽螺钉的俯视图。
Top view of fluted socket head set screw.
youdao
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圆头一字槽螺钉的俯视图。
Top view of square nut.
youdao
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圆头一字槽螺钉的俯视图。
Top view of square head set screw.
youdao
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圆头一字槽螺钉的俯视图。
Top view of panhead slotted screw.
youdao
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圆头一字槽螺钉的俯视图。
Top view of panhead slotted screw.
youdao