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      全黄激性性视频尚爱网,99热精国产这里只有精品,91区国产福利在线观看午夜,国产好看的av在线播放

      優(yōu)質(zhì)鋯粉
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      Jinzhou Institute of Metal Materials

      Company: Jinzhou Metal Materials Research Institute Company

      Address: Luotaizi, Taihe District, Jinzhou City, Liaoning Province

      Domestic Trade Department: 0416-4593067

      0416-4676672

      0416-4593078

      0416-4677283

      Foreign Trade Department Tel: 0416-4675064

      Email address: seller@jzmm.com

      Fax: 0416-4675615

      Zip code: 121001

      Company website: m.86833zr.com/en


      金屬材料研究所詳細(xì)講解海綿鉿的用途

      2017-11-07
      Times

      金屬材料研究所詳細(xì)講解海綿鉿的用途:

      用途:用于原子能工業(yè)和宇航工業(yè)。用做原子能反應(yīng)堆的控制棒材料,可做體積小而能量大的火箭推進(jìn)器。物理狀態(tài):鉿與鋯外觀相同,性質(zhì)極其相近,主要區(qū)別在于核性質(zhì)有很大不同,如鋯的熱中子捕獲截面比鉿小幾百倍。交貨粒度要求3—25毫米,小于3毫米的物料不超過5%。(鋯粉廠家

      鋯粉廠家

      海綿鉿是一種稀有金屬材料。

      包裝:用干凈的塑料或人造革袋封口包裝,每袋凈重2—5公斤,置于密封的鍍鋅鐵桶中,每桶凈重不大于20公斤,每桶附上批號(hào)。桶至于木箱內(nèi),箱外注有“防潮輕放”字樣 。


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      Address: Luotaizi, Taihe District, Jinzhou City, Liaoning Province

      Domestic Trade Department Tel: 0416-4593067/4676672 Email: seller@jzmm.com Company website: official zip code: 121001


      全黄激性性视频尚爱网
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