บริการให้คำปรึกษา ตรวจเช็ก ปรับปรุง และซ่อมแซมห้องเย็น On account of this moisture uptake, dimensional adjustments, which are frequently pretty small, occur. Also the mechanical properties, mainly in creep behavior, will probably be affected. Dimensional alterations are ascribed to enlargement of the molecular chains by (physical) attachment of water molecules to the imide groups https://sandwichpanel43108.worldblogged.com/41560108/top-guidelines-of-สร-างร-านค-าด-วยแผ-นฉนวนสำเร-จร-ป