基本解释abbr.联合履行（=Joint Implementations）同根派生 JI相关词英汉例句Building constructors in Ji Nan and Qingdao have found our product easy to install and very attractive in appearance.济南与青岛的建筑商，大多认为我公司产品易于安装，且外观颇具吸引力。JI更多例句