基本解释废弃同根派生 obsoleteness相关词英汉例句双语例句Meanwhile, the lack of naphtha raw materials and the obsoleteness of production facilities and equipment will also affect China's aromatics production capacity.同时，石脑油原料不足以及装置工艺设备老化等因素也将影响国内芳烃产能的正常发挥。obsoleteness更多例句专业释义经济学废弃生物学衰退的，退化的