track bolts 中文意思是什麼
track bolts
解釋
軌道螺栓(魚尾螺絲)-
Fixed railway installations. track service and maintenance tools. key - bolts, - key
鐵路固定裝置.軌道用和維護用工具.鍵螺栓.鍵 -
Standard specification for carbon steel track bolts and nuts
碳素鋼制軌條螺栓和螺母的標準規范 -
Railway fixed equipment. specifications for track bolts and nuts
鐵路固定設備.軌道螺栓和螺母規范 -
Track bolts and nuts
道軌用螺栓和螺母
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