The screw threads will be able to get a good grip.

这些螺纹可以咬合得很紧。

《柯林斯英汉双解大词典》

The cover comprises a cover cap, skirt edge and screw threads.

它由盖顶、裙边和丝扣等部分构成。

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The threads of the screw work hard.

这螺丝的螺纹太涩了。

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The threads of the screw work hard.

去掉（螺丝钉的）螺纹。

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The threads of the screw work hard.

去掉（螺丝钉的）螺纹。

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