improvern.改良者;改善者;改进剂
improvevt.改善;改进;提高vi.变得更好;改进
improved soil layer地基改良
improved earth road粗整面土路
Improve adaptability提高适应性
improve every moment珍惜每一刻光阴
improve a generation提高一代人
improved core method改进核心法
improved ground rent提价地租
improve power factor提高功率因数
improve on algorithm算法改进
improved SBR process改良SBR工艺