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- plutonium materials' age 钚年齡
- Measurement of isotopic abundance and age of plutonium material in a sealed container 密封容器中钚材料同位素豐度和年齡的測量
- Many natural materials are becoming scarce. 許多天然原料越來(lái)越少。
- The beautiful curtain is made of remnant materials. 這個(gè)漂亮的窗簾是用零頭布做的。
- Some synthetic materials do not crush easily. 有些化纖衣料不易起皺。
- Everything we used was made from natural materials. 我們所用的一切都是由天然材料做成的。
- He buys the materials wholesale. 他成批地購買(mǎi)原材料。
- He is collecting materials for a book. 他正在為寫(xiě)書(shū)搜集素材。
- Building materials are expensive. 建筑材料很昂貴。
- A bin for storing ore, grain, or other materials. 倉庫儲放礦石、谷物或其它材料的大箱
- He is gathering materials for a new book. 他正在收集資料準備寫(xiě)一本新書(shū)。
- Environmentalists are keen on degradable materials. 環(huán)保分子特別喜愛(ài)能夠自然分解的材料。
- Recycled materials are mostly of limited use. 再生材料大多用途有限。
- Dangerous emissions radiate from plutonium. 钚幅射出有害射線(xiàn)。
- DO YOU KNOW WE THE SEPARATED PLUTONIUM IS? 你知道分離钚在哪兒?jiǎn)?
- All the raw materials are imported. 所有原料都是進(jìn)口的。
- Plutonium radiates dangerous emissions . 钚發(fā)射危險的輻射物。
- Plutonium weapons have several ways of misfiring. 鈽彈失敗的可能因素有很多。
- Stockings made of one of these synthetic materials. 尼龍長(cháng)襪用這些合成材料制成的長(cháng)襪
- Plutonium radiates dangerous emissions. 钚發(fā)射危險的輻射物。
