At present, our country ZK4 type of DiaoCheChang hump use electric curtilage turn ZK3 type point machine is the replacement of the turning point machine.
目前，我国驼峰调车场使用的ZK 4型电宅转辙机是ZK3型转辙机的换代产品。
At present, our country ZK4 type of DiaoCheChang hump use electric curtilage turn ZK3 type point machine is the replacement of the turning point machine.
目前，我国驼峰调车场使用的ZK 4型电宅转辙机是ZK3型转辙机的换代产品。
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