国产又粗又猛又爽又黄的黄牛视频-欧美日韩精品网址-国产成人麻豆h视频在线观看-蜜臀av区一二三爽免费播放-久久久伦理精品-99精品资源在线视频-伊人久久大香樵-久久人妻人人爽-性欧美少妇煌妇喷水,麻豆免费在线观看视频网站,天天射天天干天天要,91精品国自产拍老熟女露脸

\r產(chǎn)品：鎢坩堝：物理、化學(xué)特性<\/strong><\/span><\/span> <\/span>\r<\/p>\r

\r純度:<\/strong> W≥99.95%<\/span><\/span>\r<\/p>\r

\r密度:<\/strong> ≥18.5g/c<\/span> m<\/span>3<\/span><\/span>\r<\/p>\r

\r<\/span><\/span> \r<\/p>\r

\r \r<\/p>\r

\r產(chǎn)品:<\/strong> 鉬舟<\/span> \r<\/p>\r

\r標準:<\/strong> GB/T 17992-1999<\/span> \r<\/p>\r

\r雜質(zhì)含量:<\/strong> <=0.03%<\/span> \r<\/p>\r

\r鉬含量:<\/strong> >=99.95%<\/span> \r<\/p>\r

\r密度:<\/strong> >9.8 g/cm3<\/span> \r<\/p>\r

\r工作溫度:<\/strong> >1100°C<\/span><\/span><\/span> \r<\/p>\r

\r可應(yīng)用溫度環(huán)境: 2300<\/span>℃<\/span><\/span>\r<\/p>\r

\r \r<\/p>\r

\r2. 測量和公差<\/strong><\/span><\/span>\r<\/p>\r

\r \r<\/p>\r

\r單位：mm<\/strong><\/span><\/span>\r<\/p>\r

\r
\r<\/strong><\/span><\/span>\r<\/p><\/div>