Active use can loosen bolts and make screws come loose.

频繁使用会使螺钉和螺丝变得松动。

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The machine consists of cylinder, piston, rotary, shaft, gears, bearings, bolts, screws and stainless steel crusts.

那台机器由气缸、活塞、旋转轴、齿轮、轴承、螺栓、螺丝钉和不锈钢外壳组成。

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Glue, nails, nuts, bolts, screws, ect.

胶水，钉子，螺母，螺栓，螺丝，等。

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Much of Medtronic's growth in recent years has come from the controversial field of spinal surgery, in which myriad screws, bolts, chemicals and gadgets are used to relieve chronic back problems.

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Some examples of TriMas products include: gaskets for the oil and gas industry, precision titanium screws and bolts for aircraft and defense industries, packaging products, and a unique trailering system for commercial and lightweight commercial trucks.

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The sunny patio is adorned with industrial art including massive, rusty metal sculptures of gears, screws, nuts and bolts.

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