In terms of function, our rivets include semi-tubular rivets, solid rivets, non-standard rivets and screws and so on;

我厂生产的铆钉按功能来分，包括半空心铆钉、实心铆钉、非标准铆钉及螺钉等；

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In doing so, it will help convince the rest of the international community to strengthen nonproliferation controls and tighten the screws on states that flout that their nonproliferation commitments.

这样做也将有助于说服国际社会其他成员加强不扩散控制，对那些无视其不扩散承诺的国家给与更有力的钳制。

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Pumps work, as the two screws driven screw symmetrical and active engagement, so the role of the active radial force on the screw entirely balanced, active screw does not bear bending loads.

泵工作时，由于两从动螺杆与主动螺杆左右对称啮合，故作用在主动螺杆上的径向力完全平衡，主动螺杆不承受弯曲负荷。

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