而熔覆层中心一直处于拉应力状态；
The center of the cladding is in the tensile stress condition.
涂覆层对BOPET薄膜的机械性能影响不大。
The coating has little effect on mechanic properties of the BOPET film.
轻金属覆层增加了车辆通过笨重路面时的机动性。
Light metal track layers increased trafficability through the heavy ground.
我们如何知道是否有充足的阳光供给太阳能覆层产品？
How do I know if I have enough sunlight for solar claddings?
我们如何知道是否有充足的阳光供给太阳能覆层产品？
How do I know if I have enough sunlight for solar claddings?
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