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德国雪孚公司生产的ITC312H4挖掘装载机,适合小断面隧道的开挖,曾用于西康铁路秦岭特长隧道Ⅱ线（长18.456km）的平导、扩挖和落底
The ITC312H4 backhoe loader manufactured by Germany’s Fukuda company is suitable for the excavation of small section tunnels. It was used for the flat-guide, expansion and bottoming of the Ⅱ-line (18.456km long) long tunnel of Xiling Railway,