ตัวกรองผลการค้นหา
หรือคุณกำลังค้นหา Racking:, Packing, backing, Sacking
Sacking
แปลว่า(Concrete Engineering) Removing or alleviating defects on a concrete surface by applying a mixture of sand and cement to the moistened surface and rubbing with a coarse material such as burlap.