九寨沟地震后开放:这几句话怎么翻译啊~

来源:百度文库 编辑:神马品牌网 时间:2024/04/30 06:41:30
Developments in flaw Evaluation for CANDU Reactor Zr-Nb Pressure Tubes
还有就是这句里的i.d.什么意思`````````
he core of a CANDU(CANada Deuterium Uranium)pressurized heavy water reactor consists of approximately 400 horizontal Zr-2.5Nb alloy pressure tubes that contain the fuel. These pressure tubes are approximately 6m long, with a 103-mm i.d. , and a 4-mm wall thickness.

在对CANDU反应堆Zr-Nb 压力管的瑕疵评估方面的发展,I.D是内径(INSIDE DIAMETER)