Double-trolley bridge crane is a kind of bridge crane.
双小车桥式起重机是桥式起重机的一种。
Double cutting design is applied to automatic bridge site, no blade changing, with prepared device.
自动桥位采用双剪切设计，无须更换剪切刀，附有备用装置。
Double cutting design is applied to automatic bridge site, no blade changing, with prepared device.
自动桥位采用双剪切设计，无须更换剪切刀，附有备用装置。
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