However it may be husbanded, however stretched out, the energy once expended is gone and cannot be restored.
无论怎样节约,无论怎样利用,用掉的能量就是用掉了,不能回复。
3
Stack gas energyrestored interlock set plays an important role in FCCU in oil refinery. Long and failure free operation of it can ensure the safety run of FCCU.