Methods:Oral liquid was made by steam distillation, alcohol abstraction method, waterabstraction and alcohol precipitation.
方法：分别采用水蒸气蒸馏法、醇提法、水提醇沉法制成口服液；
2
The Tong Cheng Reach is the lower part of the Yangtze River, where the waterabstraction is active and gives impact both on the location of the tidal limit and on that of the tidal current limit.
通澄河段是长江下游感潮河段，沿江抽、引水频繁，对潮区界和潮流界都有影响。
3
In images like this one, Norham Castle, Sunrise where he USES oils like water color, and gives a fluid delicate luminosity that hovers on the edge of a pure blinding vision, that's almost abstraction.