词汇	friction hill
释义	friction hill 摩擦峰
随便看	order picking order-picking order picking area order-picking area order-picking of the fixed shelf Order-picking Operation order-picking optimization order-picking policy Order picking problem order picking robot order-picking s/r machine order picking truck order Piperales order piperaless order placement cost order placing meeting order-placing meeting order planning order Plantaginales order plantaginaless order Platyctenea order platycteneas order Plecoptera order plecopteras orderpreserving