bottleneckn.瓶颈v.阻塞；妨碍adj.狭窄的bottleneck link localization瓶颈链路定位bottleneck expanding problem瓶颈扩容问题bottleneck working procedure瓶颈工序bottleneck assignment problem阻塞分派问题bottleneck in traps of B/L提单陷阱瓶颈bottleneck of the single line单点瓶颈bottleneck capacity expansion瓶颈容量扩张bottleneck link identification瓶颈路段识别bottleneck of server performance服务器性能瓶颈bottleneck of material circulation物流瓶颈