网络释义
1)twin beam overhead in bridge type,桥式双梁行车2)twin beam overhead crane in bridge type,双梁桥式行车3)two beam crane in bridge type anti explosive,防爆双梁桥式行车4)twin beam overhead bridge crane,电动双梁桥式行车5)twin beam overhead crane,双梁行车6)one beam crane in bridge type,电动单梁桥式行车