BOX组件plastic塑胶cover上盖top上部cap(帽,杯)insert(型,芯)holder支座belt皮带case箱flexhose软管shaft轴washer垫片nut螺母chuck锁头ring垫圈bit铁嘴bar杆pin小轴thread螺纹key锁匙electric电气件cord电线motor电机plug插头battery电池cell电池socket插座charger充电座/器timer定时器resistor电阻toque扭矩speed速度sampling抽样futtonal功能aperance外观vibration振动cavity模腔part零件accessory附件mark标记defect缺陷comformity合格常用工业英语词汇terms术语cabinet壳support下盖bottom底部housing壳Box组件roller转子impeller风扇filter滤网metal金属gear齿轮diecast铸件bush轴套screw螺丝spring弹弓plate片spindle轴芯bearing轴承powdermetal粉末冶金pinion小齿轮nameplate铭牌cable电缆switch开关fuse保险丝button按钮adaptor火牛P
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