Introducesd the main revision content and the issues should be noted in the use of the new "polyethylene gas pipeline engineering Technical schedule".
介绍了新《聚乙烯燃气管道工程技术规程》主要修改内容及使用中应注意的问题。
The programme is now seven years behind schedule as a result, firstly of increased costs, then of technical problems.
该计划现在比预定的计划晚了7年,首先是因为费用增加,其次是由于技术问题。
Adverse trends might impact system design activity with corresponding risks to technical, cost, and schedule baselines, as well as to customer satisfaction.
有害趋势可能影响系统设计行为,并对技术、成本,以及进度基线,和客户满意度都有一定的风险。
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