中国是世界上最大的螺丝钉、螺母、螺栓和垫圈生产商，而欧盟是这些商品的最大市场。
China is the world's biggest producer of screws, nuts, bolts and washers, while the EU is its biggest market.
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。
The machine consists of cylinder, piston, rotary, shaft, gears, bearings, bolts, screws and stainless steel crusts.
安装负荷细胞，是实现由一个单一的螺栓，其中螺丝钉成为一个挖孔在该基地的负载细胞。
Mounting of the load cell is achieved by a single bolt which screws into a tapped hole at the base of the load cell.
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