麻豆网操逼视频,国产夫妻在线视频二区

10

2013-12

堿性磚

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10

2013-12

耐火磚的標(biāo)準(zhǔn)尺寸

本標(biāo)準(zhǔn)是對GB/T?2992——1982《通用耐火磚形狀尺寸》、GB/T?1590——1979《鎂磚和鎂硅磚形狀及尺寸》與GB/T?2074——1980《煉銅爐用鎂鉻磚形狀尺寸》的修訂，將其合并為一個標(biāo)準(zhǔn)。本?標(biāo)準(zhǔn)非等效采用國際標(biāo)準(zhǔn)ISO?5019-1：1984《耐火···

09

2013-12

JL5550D型搗固焦?fàn)t設(shè)計及用耐火

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08

2013-12

灰吹爐用耐火磚

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07

2013-12

硅質(zhì)隔熱耐火磚使用溫度

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06

2013-12

硅莫磚

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06

2013-12

煉鋼電爐頂用高鋁磚生產(chǎn)許可證(

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04

2013-12

鎂質(zhì)耐火磚都在哪些窯爐上使用？

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03

2013-12

煉鋅焙燒爐，還原蒸餾爐和精餾設(shè)

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02

2013-12

高鋁磚標(biāo)準(zhǔn)及價格

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01

2013-12

耐火磚樣品的制備

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30

2013-11

高鋁磚標(biāo)準(zhǔn)（GB/T 2988—87)

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29

2013-11

金屬鈾冶煉用耐火磚

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28

2013-11

吊掛磚、錨固磚

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28

2013-11

耐火磚集中切磨

一集中切磚工業(yè)爐型式多種多樣，各爐子的爐襯結(jié)構(gòu)形態(tài)不盡相同，部頒耐火磚規(guī)定外形數(shù)量極其有限，不能砌筑成爐襯的特殊形狀；往往需要改變耐火磚的形狀，滿足爐體形態(tài)的要求，改變耐火磚形狀就需用機(jī)械切磚完成。例如熱風(fēng)爐蓄熱室砌筑···

26

2013-11

雜質(zhì)對莫來石磚的影響

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25

2013-11

高強(qiáng)磷酸鹽耐火泥漿

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24

2013-11

鎂鋁尖晶石磚

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23

2013-11

耐火磚常溫耐壓強(qiáng)度及檢驗

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21

2013-11

鋯莫來石磚

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