They were indoors in CO2 nano coatedtubing and they were watered by CO2 energized water. The others were watered by CO2.
这些是室内的纳米涂层的管道，它们都被CO 2甘斯能量水来浇灌，其他的则是自来水灌溉。
2
To solve severe wax troubles in oil production Wells at Shenyang oil fields, Liaohe, a paraffin control method by using polyurethane coatedtubing (PUCT) is developed.