refining 

英汉解释

n. 精炼；改善
v. 精炼（refine的ing形式）

同义词

n. purification，refinement

参考例句

1. Precipitation, refining, accumulation of sublimation.
沉淀，提炼，积累，升华。
2. Refining petroleum is a very complex process and needed lots of facilities and operations.
石油提炼是一个很复杂的过程，需要用到很多设备和工艺。
3. The process of secondary refining of brine, operation and regeneration principles of resin tower and attentive problems were introduced.
介绍了盐水二次精制的工艺流程、操作方法以及树脂塔的再生原理和注意问题。

英英解释

n.
  1. the process of removing impurities (as from oil or metals or sugar etc.)

网络释义

refining
精炼; 精制; 炼油; 净化;
refining furnace
精炼炉;
thermal refining
调质处理; 热凳; 调质; 热精炼;
Oil Refining
炼油; 石油冶炼; 成品油; 炼油：[化学，铁路][潜水艇，炼油厂;
clay refining
白土精制;