入射

Lanolin ,a natural oil from our Merino sheep's wool ,is part of this product.

绵羊油系来自美利奴羊之羊毛的一种天然油，为此种产品的一部份。

With queuing theory, the problem of the organization of the earthwork construction is solved in the Violet Gold Garden project with reverse construction method and the curves on efficiency and cost are given to make the machine disposition optimized economically.

结合天津市紫金花园工程&逆筑法&土方工程施工组织，运用排队理论解决土方挖运的施工组织问题，并得出在一定施工组织下土方开挖的效率和成本曲线，保证日出土量与机械配置在经济上达到最优。