求翻译：在500℃以下具有足够的高温强度,一般用于制造介质温度小于或等于480℃的双头螺柱、螺栓以及介质温度小于或等于510℃的螺母。是什么意思？

Below 500 ℃ with sufficient high temperature strength, generally used for the manufacture of medium temperature is less than or equal to 480 ° C stud, bolt, and the medium temperature is less than or equal to 510 ° C nut.

At a distance of 500 ° C the following with a sufficiently high temperature strength, and in general is used in the manufacturing media temperature less than or equal to 480 °C's double-head studs, bolts, as well as medium temperature less than or equal to 510 °C of nuts.

In 500℃ below has the enough strength at high temperatures, uses in making the medium temperature generally to be smaller than or to be equal to 480℃ the double headed stud, the bolt as well as the medium temperature are smaller than or is equal to 510℃ the nut.

500 c with enough strength at high temperature, generally used in the manufacture of medium temperature of less than or equal to 480 ° c double end studs, bolts, and nuts of the medium temperature is less than or equal to 510 ° c.

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