Subtracting the amount of capacity growth during the lead time yields the threshold of workload which should trigger an upgrade 减去在筹建时间字段里面容量增加的数量就应该是触发提升工作量的开始。
2.
Subtracting the amount of capacity growth during the lead time yields the threshold of workload which should trigger an upgrade 减去在筹建时间字段里面容量增加的数量就应该是触发升级的工作量的极限。