Sliding gate, called in iron industry, is generally elevating structure shown as graphic expressin. It is used with headstock gear (no jib, no nut).是什么意思_Sliding gate, called in iron industry, is generally elevating structure shown as graphic expressin. It is used with headstock gear (no jib, no nut).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句