gemel造句怎么写

Changzhou Global Gas Spring Co. , Ltd is the manufacturer of the gas springs mainly used in the gemel of furniture and doors. We place great emphasis on the gas springs' technic, design and function.

The discussion is about the definition of included angle of extreme positions in four-bar mechanism of gemel

Some basic structure of rudder's export gemel framework is introd used.

And used UG software for the virtual design, assembling and optimal analysis of the vacuum casting machine door gemel, based on virtual design idea.