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。
Use the left and right symmetry line to draw the outer lane of the ring, and seal.
使用左右对称线绘制戒指的外圈的曲线，并封口。
The formulation and mold design, product structure, process and product properties of the rubber seal ring with outer case for push-pull rod were introduced.
介绍了推拉杆用外嵌骨架橡胶密封圈的配方、产品构型、模具设计、生产工艺及产品性能。
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