Because the permeability, semi-diameter of a pore throat and effective thickness distribution are more uniform than those of major reservoirs, polymer flooding with bigger width index of middle molecular weight distribution is adopted to improve the polymer flooding effect.
大庆油田萨中开发区北一二排西部上返二类油层聚合物驱区块为一套陆相河流~三角洲碎屑岩沉积,由于二类油层渗透率、孔喉半径、有效厚度分布相对于主力油层均匀,适宜采用分子量分布宽度指数较大的中分子量聚合物驱油,可提高聚合物驱油效果。
Capable of containing a large quantity;spacious or roomy.
宽敞的能够容纳很大数量的；宽敞的或宽松的
Capacious:Capable of containing a large quantity; spacious or roomy.
宽敞的:能够容纳很大数量的;宽敞的或宽松的.
is a large circular hall with show-cases,
是个宽敞的圆形大厅，
The bathroom features a huge shower pots,
浴室以宽敞的淋浴空间、
A large, commodious boat.
一种大的，宽敞的船
Through the wide doors of the sheds
通过棚子宽敞的门，
large in size,spacious,extensive
大的,宽敞的,广泛的
He built the house low and wide.
他建造的房子矮而宽敞。
It is a spacious workshop.
它是一个宽敞的车间。
Elbowroom to experiment.
可供试验的宽敞的地方
a large airy room on the first floor
二楼的宽敞通风的房间
A Main Channel Linking China With the World
“接轨”通道更加宽敞
a commodious harbor; a commodious building suitable for conventions; (`convenient' is archaic in this sense).
宽敞的港湾；适合大会的宽敞大楼；（convenient在这个意义上是古旧用法）。
The streets seem empty because they are so wide.
马路看来很空旷，因为它们太宽敞了。
We would like a spacious room, if possible.
可能的话，给我们一间稍宽敞一些的。
The hotel is neither spacious nor comfortable.
这旅馆既不宽敞也不舒服.
(of a cupboard,wardrobe,etc)large enough to walk into
（指壁橱、衣柜等）宽敞得可走进去的
She lived in a roomy house.
她住在一间宽敞的房子里。