heavy industrial短语¹⁰⁶¹⁰⁰⁺⁵ 基本例句 🌏重工业的；重工业专用编码器；重工业用电 As the first heavy industrial base since the establishment of the PRC, the Northeast Old Industrial Base had made great contribution to the economic development of our young China. 作为新中国成立后第一个建立起来的重工业基地，东北老工业基地为新中国的经济发展曾做出了巨大的贡献。 cnki