Blow out lines to remove all loosescale and other foreign matter that can damage valve seat.
向管道吹气，清除所有疏松鳞锈和可能损害阀门阀座的其他外部杂质。
2
Most GC implementations interfere with an RT application's latency goals to the point where only tasks with larger scale and loose timing requirements can afford to rely on GC technology.
The reason it doesn't scale to more complex scenarios is fairly obvious, the data contract is too loose and it becomes hard to ensure there are no mismatches in key, value pairs between the two tiers.