sheaths造句
As the two charge distributions separate, leaving positive and negative
sheaths.
当两种电荷分布开始时, 就留下正离子鞘和负离子鞘.
The production of
sheaths has led to some new and unexpected difficulties.
制造被筒时引起一些新的未预料到的困难.
In addition, various precision spiales and metallic
sheaths can be made.
同时, 可承接各种精密轴、套类零件的加工制造.