.135 A project execution is usually divided into some elementary phases, such as :engineering, procurement and transportation, and field construction. 一个工程项目的实施通常可分为几个基本阶段：工程设计、采购和运输、以及现场施工。136 We are building an ethylene plant with an annual capacity of 300,000 metric tons.我们正在建设一座年产三十万吨的乙烯工厂。137 The contract number of this project is CJC78-8.这个项目的合同号是CJC78-8。138 The Seller(vendor) is Toyo Engineering Corporation(TEC)of Japan. 卖方（卖主）是日本的东洋工程公司。（简称TEC）139 The Buyer (customer, cli
