Kayayyakin bawul na gama gari da ilimin ƙwararrun ƙididdige ma'auni na kayan Valve
Kayayyakin bawul na gama gari da ilimin ƙwararrun ƙididdige ƙididdige ƙayyadaddun ƙayyadaddun kayan bawul na gama gari da lambobi na ilimin ƙwararru, gami da WCB, LC3, WC6, WC9, da sauransu, WCB: Carbon karfe ASTM A216 amfani mara lalacewa, gami da ruwa, sauƙin mai ...
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