youtian meaning in Chinese

油田

Li youtian , one of 10 outstanding scientific workers of agricultural machinery in shanxi province
先进农机科技工作者李有田
On based of original drainage substructure brought forward by zhang youtian . the author has solved its shortage by adopting the technique of improved drainage substructure which is very rigorous in theory putted forward by zhu yueming . simulating actual whole 3 - d seepage action and effect of seepage control have come true
本文在张有天等人所提出的初步排水子结构的基础上，采纳他人提出的理论上严密的改进排水子结构技术，很好地解决了以上不足，使得整体三维模拟排水孔(幕)的实际渗流行为和渗控效果成为现实。