您要查找的是不是：
- plutonium materials' age 鈈年齡
- Measurement of isotopic abundance and age of plutonium material in a sealed container 密封容器中鈈材料同位素丰度和年齡的測量
- Many natural materials are becoming scarce. 許多天然原料越來越少。
- The beautiful curtain is made of remnant materials. 這個漂亮的窗帘是用零頭布做的。
- 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. 他成批地購買原材料。
- He is collecting materials for a book. 他正在為寫書搜集素材。
- Building materials are expensive. 建築材料很昂貴。
- A bin for storing ore, grain, or other materials. 倉庫儲放礦石、穀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一本新書。
- Environmentalists are keen on degradable materials. 環保分子特別喜愛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. 鈈幅射出有害射線。
- DO YOU KNOW WE THE SEPARATED PLUTONIUM IS? 你知道分離鈈在哪兒嗎?
- All the raw materials are imported. 所有原料都是進口的。
- Plutonium radiates dangerous emissions . 鈈發射危險的輻射物。
- 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. 尼龍長襪用這些合成材料製成的長襪
- Plutonium radiates dangerous emissions. 鈈發射危險的輻射物。
