Changqing gas Field Co. imported dehydrationequipment to carry out the process of dehydration at little station and dry gas transportation.
长庆气田引进国外脱水设备，实行小站脱水、干气输送的工艺。
2
It digests and assimilate foreign advanced technology, a kind of dehydrationequipment developed to press the roller mud hydroextractor four times.
四压辊污泥脱水机是消化吸收国外先进技术，研制开发的一种脱水设备。
3
ZDYA series belt filter press is a kind of dehydrationequipment which is researched and developed through the absorption of the foreign advanced technology.