dense firebrick
... 致密青铜：dense bronze 致密耐火砖：dense firebrick 致冷参量放大器：cryogenically cooled parametric amplifier ...
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电熔镁砂结晶体大、组织致密、高温性能好、抗渣性强，是生产耐火砖和散状料的优质原料。
It is an ideal raw material for producing firebrick and monolithic materials, with the characteristic of big crystal, compact texture, high temperature property and high slag resistance.
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