烘箱由薄钢板构成，工作室与箱体外壳间以玻璃纤维作保温材料、门面镶有密封圈。
The oven is made of thin steel sheets, fiberglass is inserted between the working chamber and outer plate of the oven as thermal insulation, there is a seal ring embedded in the door.
烘箱由薄钢板构成，工作室与箱体外壳间以玻璃纤维作保温材料、门面镶有密封圈。
The oven is made of thin steel sheets, fiberglass is inserted between the working chamber and outer plate of the oven as thermal insulation, there is a seal ring embedded in the door.
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