ตัวกรองผลการค้นหา
คลิกที่แต่ละคำเพื่อดูรายละเอียด
(english) A loose steel frame placed inside a removable flask to reinforce the sand at the parting line after the flask has been removed.
(english) A small core-blowing machine, utilizing a removable sand magazine and blow heat.
(Concrete Engineering) The water in concrete which is irremovable by oven drying; chemically combined during cement hydration.