基本解释[化學]鮑爾環填料英汉例句雙語例句First commercially successful third-generation random packing replacing the widely used Pall Ring.第一商業上成功的第三代散堆填料取代廣泛使用的鮑爾環。pall ring packing更多例句词组短语短語polypropylene pall ring packing 聚丙烯鮑爾環填料pall ring packing更多词组专业释义化學鮑爾環填料