PWR燃料组件定位格架用材从镍基合金转变为锆-锡合金颇有经济意义。
The change of spacer grid material from Ni-base alloy to Zircaloy has economical value.
“燃料失效”是个更贴切的词汇来描述燃料棒这层屏障的失效(锆锡合金)。
"Fuel failure" is a better term to describe the failure of the fuel rod barrier (Zircaloy).
锆锡合金形成第二道防护，把放射燃料跟反应堆其他的组成分隔开。
The Zircaloy casing is the second barrier to release that separates the radioactive fuel from the rest of the reactor.
用含锆硅铁以及它的复合合金对含铅、砷、锡等杂质元素的铸铁进行孕育处理，可以有效地改善铸铁的组织和性能。
Inoculating the cast iron containing lead, complex alloy can improve effectively the structure and properties of the cast iron.
锆锡合金由于中子辐照而引起生长。
锆锡合金由于中子辐照而引起生长。
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