The free spraystream state of the efflux nozzle is divided into four sections -contract, dense, mixing and dispersion section.
喷嘴自由射流的流态分为收缩段、密实段、掺混段和分散段四部分。
2
The sprayd daemon and the associated spray tool send a large stream of packets to a specified host and determine how many of those packets get a response.