float bridge flying bridge pontoon pontoon bridge raft bridge
浮桥;
float bridge flying bridge pontoon pontoon bridge raft bridge
浮桥;
float bridge flying bridge pontoon pontoon bridge raft bridge
浮桥;
float bridge flying bridge pontoon pontoon bridge raft bridge
浮桥;
electrical bibeam bridge crane electric double-beam bridge crane electric two-beam bridge crane
电动双梁桥式起重机;