แผ่นพื้นเหล็ก Things To Know Before You Buy
It's very important that phos/painted composite deck would not have paint on top of the deck since the bonding action between concrete and steel might be adversely affected by portray the surface of the composite deck where by it fulfills the slab.ทนทานเพราะเคลือบป้องกันสนิม ทำให้อ�