composition B[化] B炸药(如中国的黑梯炸药)compositionn.成分；作品；组织；作文；合成物composition of reflective abilities反思能力构成compositional reachability analysis组合可达性compositionally modulated multilayer组分调制多层镀层composition of commodity consumption商品消费构成COMPOSITION OF THE ELECTION COMMITTEE选举委员会的组成composition teaching in middle school中学作文composition of international reserves国际储备构成Compositional schedulability analysis组合可调度分析Composition of a Stereoscopic Picture立体构成composition style furnace beam bottom梁底组合