<ins id="r8qxt"></ins>
<xmp id="r8qxt"><xmp id="r8qxt"><form id="r8qxt"></form>
<xmp id="r8qxt"><button id="r8qxt"></button><ins id="r8qxt"><form id="r8qxt"></form></ins><xmp id="r8qxt"><form id="r8qxt"></form>
<xmp id="r8qxt"><button id="r8qxt"></button> <xmp id="r8qxt"><xmp id="r8qxt"><form id="r8qxt"></form>
<xmp id="r8qxt"><button id="r8qxt"></button><ins id="r8qxt"><form id="r8qxt"></form></ins><button id="r8qxt"><form id="r8qxt"></form></button><xmp id="r8qxt"><form id="r8qxt"><form id="r8qxt"></form></form><xmp id="r8qxt"><button id="r8qxt"></button><xmp id="r8qxt"><form id="r8qxt"></form>
<xmp id="r8qxt"><form id="r8qxt"><button id="r8qxt"></button></form>
<xmp id="r8qxt"><form id="r8qxt"></form>
<form id="r8qxt"><button id="r8qxt"></button></form><xmp id="r8qxt"><form id="r8qxt"></form><xmp id="r8qxt"><form id="r8qxt"></form><xmp id="r8qxt"><form id="r8qxt"><button id="r8qxt"></button></form><ins id="r8qxt"></ins><xmp id="r8qxt"><form id="r8qxt"><form id="r8qxt"></form></form>
<xmp id="r8qxt"><form id="r8qxt"></form>
<button id="r8qxt"></button>
<xmp id="r8qxt"><form id="r8qxt"><form id="r8qxt"></form></form><xmp id="r8qxt"><form id="r8qxt"><form id="r8qxt"></form></form>
<xmp id="r8qxt"><form id="r8qxt"><button id="r8qxt"></button></form>
<button id="r8qxt"></button>
<xmp id="r8qxt"><form id="r8qxt"></form>
<xmp id="r8qxt"><form id="r8qxt"></form>
<xmp id="r8qxt"><form id="r8qxt"></form><xmp id="r8qxt"><form id="r8qxt"></form>
實力雄厚
行業口碑
技術實力
售后保障
一文介紹白剛玉作爐襯材料的特點及其...

  白剛玉是一種優良的爐襯材料。白剛玉作為爐襯材料的特征剛玉是Al2O3,其晶體結構按其制造方法分為電熔剛玉和板狀剛玉。前者是將氧化鋁原料在電弧爐中高溫熔融,冷卻形成Al2O3晶體,除去雜質后粉碎加工而成,后者是將高純氧化鋁原料制...[更多]

覆蓋劑成分用途介紹

  覆蓋劑系環保型高效聚渣、除渣、保溫覆蓋劑。它能有效防止熔渣粘附于澆包、爐襯及進入鑄件中,減少鑄件夾渣缺陷,同時對金屬液起覆蓋保溫作用,減少氫、氧、氮對金屬液的侵入。   覆蓋劑產品系列CaO-Sio2-MgO為基本...[更多]

關于云母紙的優點你知道多少?

  長期以來,云母一直是電氣行業不可或缺的絕緣材料。例如:一臺十萬千瓦、十千伏級的兩極汽輪發電機要用一千公斤片云母帶,其中云母約450公斤。目前,雖然已經出現很多新型材料,但還沒有一種絕緣材料能夠取代云母。隨著電力工業的發展,對云...[更多]

久久久亚洲精品无码 性,国产三级在线观看 免费看XXXX视频在线观看 HEYZO无码精专区综合 台湾中文无码专区一区
<ins id="r8qxt"></ins>
<xmp id="r8qxt"><xmp id="r8qxt"><form id="r8qxt"></form>
<xmp id="r8qxt"><button id="r8qxt"></button><ins id="r8qxt"><form id="r8qxt"></form></ins><xmp id="r8qxt"><form id="r8qxt"></form>
<xmp id="r8qxt"><button id="r8qxt"></button> <xmp id="r8qxt"><xmp id="r8qxt"><form id="r8qxt"></form>
<xmp id="r8qxt"><button id="r8qxt"></button><ins id="r8qxt"><form id="r8qxt"></form></ins><button id="r8qxt"><form id="r8qxt"></form></button><xmp id="r8qxt"><form id="r8qxt"><form id="r8qxt"></form></form><xmp id="r8qxt"><button id="r8qxt"></button><xmp id="r8qxt"><form id="r8qxt"></form>
<xmp id="r8qxt"><form id="r8qxt"><button id="r8qxt"></button></form>
<xmp id="r8qxt"><form id="r8qxt"></form>
<form id="r8qxt"><button id="r8qxt"></button></form><xmp id="r8qxt"><form id="r8qxt"></form><xmp id="r8qxt"><form id="r8qxt"></form><xmp id="r8qxt"><form id="r8qxt"><button id="r8qxt"></button></form><ins id="r8qxt"></ins><xmp id="r8qxt"><form id="r8qxt"><form id="r8qxt"></form></form>
<xmp id="r8qxt"><form id="r8qxt"></form>
<button id="r8qxt"></button>
<xmp id="r8qxt"><form id="r8qxt"><form id="r8qxt"></form></form><xmp id="r8qxt"><form id="r8qxt"><form id="r8qxt"></form></form>
<xmp id="r8qxt"><form id="r8qxt"><button id="r8qxt"></button></form>
<button id="r8qxt"></button>
<xmp id="r8qxt"><form id="r8qxt"></form>
<xmp id="r8qxt"><form id="r8qxt"></form>
<xmp id="r8qxt"><form id="r8qxt"></form><xmp id="r8qxt"><form id="r8qxt"></form>