常見(jiàn)例句雙語(yǔ)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(zhuǎn)變爲(wèi)鋯-錫郃金頗有經(jīng)濟(jì)意義。 返回 base spacer