bottleneckn.瓶颈v.阻塞；妨碍adj.狭窄的bottleneck tracking瓶颈追踪bottleneck operation瓶颈工序bottleneck inflation瓶颈式通货膨胀bottleneck bandwidth瓶颈带宽bottleneck commodity稀缺商品bottleneck detection[计] 瓶颈检测, 关键检测bottleneck of system体制瓶颈bottlenecks analysis瓶颈分析bottleneck restraint瓶颈制约bottleneck resources瓶颈资源