The outer door is a polyurethane foamy one with a glazing unit observation window, for better perspectivity and heat preservation.
外门为聚氨脂发泡门，中空玻璃观察窗，
好，保温能好。
(
),
晰度The outer door is a polyurethane foamy one with a glazing unit observation window, for better perspectivity and heat preservation.
外门为聚氨脂发泡门，中空玻璃观察窗，好，保温能好。
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