螺纹造句

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1.
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, 该接头也许是用螺纹与套管连接在一起，或焊接在一起，以及可能还有一个法兰或卡箍连接与防喷器组或井口配接。

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螺纹安装孔的位置与电装电机轴线成错开对称分布.

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3.
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本发明摆动旋转接头由球型接头体，螺纹接头套，锁紧螺帽，大铜垫和两个球面转环构成。

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本文在总结柴油机连杆螺孔采用挤压成型新工艺的试验与生产应用经验基础上，简要地阐述了内螺纹挤压成型新技术。

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木材为半环孔材，木薄壁细胞发达，韧薄壁组织中散生着针状结晶，导管、管胞和木纤维内壁明显螺纹加厚。

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螺纹副在机械行业中不仅起到重要的连接功能，而且为了机械零件的运动安全，必须具有良好的防松功能。