螺纹长度可调整的翼形螺钉的侧面图。

Side view of wing screw with adjustable thread length.

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螺纹长度可调整的圆头螺钉的侧面图。

Side view of Roundhead screw with adjustable thread length.

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螺纹长度可调整的平头一字槽螺钉的侧面图。

Side view of square head bolt with adjustable thread length.

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分析了影响螺纹钢牙筋长度的原因。

The cause of influence on reinforced bar tooth length has been analyzed.

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分析了影响螺纹钢牙筋长度的原因。

The cause of influence on reinforced bar tooth length has been analyzed.

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