Warning: file_put_contents(/www/wwwroot/ppbbu/www.30232.com/cache/d51c273454670f3f59f452284b912fbb.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/www.30232.com/index.php on line 55 Bandte例句_Bandte英汉例句_Bandte双解例句_绍翊字体网有道词典
wide-frequency bandt good mechanical properties and low moisture absorption and is a new generation of attractive matrix material for advanced radome. 氰酸酯树脂具有较低的介质损耗因数和低而稳定的介电常数,使用频带宽,力学性能好,吸水率低,是新一代航空航天雷达天线罩理想的基体材料。