基本解释[鉄路] 底隔板英汉例句雙語例句The change of spacer grid material from Ni-base alloy to Zircaloy has economical value.PWR 燃料組件定位格架用材從鎳基郃金轉變爲鋯-錫郃金頗有經濟意義。base spacer更多例句专业释义交通運輸工程底隔板