难溶金属及制品:高速钢、耐热合金钢、高比重钨合金、钼坩埚等。
Refractory metal and cemented carbides: steel, metal steel, tungsten metal, crucible etc.
可以使用轧制钢、铸钢或坩埚钢、或者铸铁装置,不允许用生铁。
Rolled, forged, or cast steel, or malleable iron fittings may be used. Cast iron is not permissible for fittings.
可以使用轧制钢、铸钢或坩埚钢、或者铸铁装置,不允许用生铁。
Rolled, forged, or cast steel, or malleable iron fittings may be used. Cast iron is not permissible for fittings.
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