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The pull rod is screwed into the inside thread of the anchor head.
这是钻杆丝扣油，不能用在钻铤丝扣上。
youdao
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Can supply other rod ends with different accuracy of thread.
可提供不同螺纹精度要求的杆端关节轴承。
youdao
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Can supply other rod ends with different accuracy of thread.
可提供不同螺纹精度要求的杆端关节轴承。
youdao