But you ' ll have both desktop and portable machines 但是你将会有两者的桌面和可提式机器。
2.
Railway applications - track - safety requirements for portable machines and trolleys for construction and maintenance 铁路设施.轨道.建造和维修用便携式机械和手摇车的安全要求
3.
Railway applications - track - safety requirements for portable machines and trolleys for construction and maintenance 铁路设施.轨道.建造和维修用便携式机械和手摇车的安全要求
4.
Railway applications - track - safety requirements for portable machines and trolleys for construction and maintenance ; german version en 13977 : 2005 铁路设施.轨道.建造和维修用便携式机械和手摇车的安