Grey cast iron, nodular cast iron, cast steel, stainless steel.
灰铸铁，球墨铸铁，铸钢，阀体不锈钢。
Counter weight piece is grey iron. painted. the other parts are hot-dip galvanized steel.
重锤片为灰铸铁件、涂漆，其余为热镀锌钢制件。
Counter weight piece is grey iron, painted, the other parts are hot-dip galvanized steel.
重锤片为灰铸铁件、涂漆，其余为热镀锌钢制作。
Grey cast iron, nodular iron, cast steel, stainless steel.
灰铸铁，球墨铸铁，铸钢，不锈钢。
Grey cast iron, nodular iron, cast steel, stainless steel.
灰铸铁，球墨铸铁，铸钢，不锈钢。
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