scale system短语¹⁰⁶¹⁰⁰⁺⁵ 基本例句 尺度体系 Tianjin University has made some tests and research on MCR in small- scale test system, pilot- scale system and project case since2000 and has a good effect. 自2000年开始天津大学对膜混凝反应器进行了从小试到中试进而到工程样机实际运转的实验研究,取得了很好的效果。 cnki