track trimming 中文意思是什麼
track trimming
解釋
磁軌微調磁軌存儲校準-
Railway track construction and maintenance plant. levelling and layout maintenance of points and crossing. tamping and trimming heavy mechanical
鐵路建造和維護設備.尖軌與轍叉的水準測量和布局維護.搗固和修整重型機械 -
Railway track construction and maintenance plant. levelling and layout maintenance of tracks. tamping, trimming and re - stocking heavy mechanical
鐵路建造和維護設備.鋼軌的水準測量和敷設施工.重型機械壓型修整和重新裝料
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