... double strength corrugated board 双层增强瓦楞纸板 double strength glass 强力玻璃 double superheterodyne receiver 双变频超外差接收机 ...
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double e strength glass 强力玻璃
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Assuming equal thicknesses, a glass cover will provide double the signal strength compared to an acrylic cover.
假设相等的厚度，玻璃覆盖物的信号强度是压克力的两倍。
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