The pure quartz lump becomes quartz tube via untouched technology of intermediate frequency induction heating.
采用中频感应加热无接触技术，将石英净坨拉制成为石英管。
2
During induction heat treating of pump tube, quenching machine tool plays a key role to fulfill the required properties.
在成套泵筒感应热处理设备中，淬火机床对满足性能要求起着关键作用。
3
The paper introduced the process of applying 10mw induction heating furnace to compensate temperature of welded tube before reducing mill, which is controlled by a micro-processor.