2017/7/8 15:07:12来源:新航道作者:新航道
摘要:雅思写作是中国考生们的一大头疼科目,难以提高的科目.上海新航道雅思小编雅思写作小作文高分范文-水泥制作与生产双流程,希望帮助考生对照写作范文研究真题,充分备考,争取理想成绩,实现留学梦想。
雅思写作是中国考生们的一大头疼科目,难以提高的科目.上海新航道雅思小编雅思写作小作文高分范文-水泥制作与生产双流程,希望帮助考生对照写作范文研究真题,充分备考,争取理想成绩,实现留学梦想。
雅思写作小作文题目:
The diagrams below show the stages and equipment used in the cement-making process, and how cement is used to produce concrete for building purposes.
雅思写作小作文范文:
The diagrams illustrate the phases and apparatus to make cement and how cement is utilised in the production of concrete for construction.
The production of cement involves a 5 stage, linear process that begins with the mixing of raw materials and culminates in the packaging of new cement. Making concrete is a simpler process that involves mixing four ingredients in a concrete mixer.
Limestone and clay are crushed and the resulting powder is then mixed before being passed through a rotating heater. Once heated this mixture travels over a conveyor belt and is ground through a grinder. Now that the cement has been produced, it is packaged and transported to a building site where it can be used to make concrete.
Concrete is made up of half gravel, quarter sand, 10% water and 15% cement. All of these are added together in a cylindrical drum and rotated until concrete is yielded.
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