light-weight filler 轻体填料
light-weight filler wall 轻质填充墙
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The light filler (2) is formed by the mixing of regenerated cotton fiber and resin adhesive.
所述的轻质填充物(2)由再生棉纤和树脂胶混合而成。
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Sandwiching the solar cells inside the device would block some light out and knock down power conversion efficiency even further, Filler cautioned.
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