distribution box分配箱,分线盒,配水箱distributionn.分布；分发；分配；散布；销售量distributional intelligent control分布式智能控制distribution of thermal resistance热阻分布distribution line carrier channels中压配电载波信道distribution on number or quantity依数量分配distribution of students hometowns生源地结构distribution of harmful heavy metal有害重金属分布distribution of probability density概率密度分布distribution of pretressing tendons预应力钢束布置distribution of disaster prevention防灾分区distribution of proofing the burden证明责任分配