Alloy steel, completely welded, oil-proof, waterproof and anti-corrosive gas and medium, suitable for all kinds of environments.
合金钢材料，全密封焊接，防油、防水、防一般腐蚀性气体及介质，可适用于各种环境。
Alloy steel, completely welded, oil-proof, waterproof and anti-corrosive gas and medium, suitable for all kinds of environments.
合金钢材料，全密封焊接，防油、防水、防一般腐蚀性气体及介质，可适用于各种环境。
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