Ing industri baja, pipo baja rapi, minangka bahan pipo penting, sing digunakake digunakake ing kothak Petroleum, industri kimia, shipbuilding, shipbuilding, etc Antarane wong-wong mau, 20-inch pipo baja rapi wis kepincut akeh manungsa waé amarga diameteripun Moderate lan macem-macem aplikasi ...
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