After spring foundation are used for the turbine generator units the dynamic load is isolated and vacuum suction eliminated, which has greatly reduced the sectional size of the column.
该电厂汽轮发电机组使用了弹簧基础后，既隔离了动载荷，又消除了真空吸力，大大减小了立柱截面尺寸。
2
In the Vacuum make salt enterprise, electric generator is one of the key equipment.
在真空制盐企业，发电机是关键设备之一。
3
A device for generating superfine image by atoms is composed of atom beam generator, vacuum chamber, coil, laser beam, computing holographic encoder chip and substrate.