This not only abbreviates catalytic crackingequipment, but also enhances the economical effects of refineries plant.
这样不仅缓和了催化装置的操作，而且可为炼油厂开发出新产品，创造经济效益。
2
Test investigation shows that the cleavage gun is a new practical and economical rock material crackingequipment with good application prospect.
试验研究表明，劈裂枪是一种新型、实用的石材开采设备，具有广阔的应用前景。
3
The freezing point of heat conductive oil is relatively low and can be used in cold winter. Even if it is solidified, there is no expansion and no danger for crackingequipment.