水密性优异，传热性能好。
门框采用里高外低设计，气密性、水密性、隔热、防寒、隔音性能优越。
It has excellent air tightness, water tightness, heat insulation, winter proofing and sound insulting property as the frame adopts the inside high and outside low design.
高气密性、高水密性、高强度以及优异的隔热、防寒、隔音性能。
It has high air tightness, high water tightness, high intensity and excellent heat insulating, winter proof and sound insulating performance.
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