汽车发动机电控波形分析——氧传感器波形分析 电控汽车波形分析——氧传感器波形分析基本概念①上流动系统(Upstream System) 上流动系统是指位于氧传感器前的,包括传感器、执行器和发动机ECU的发动机各系统(包括辅助系统),即在氧传感器之前的影响尾气的所...
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To make this a pull system, it needs a mechanism allowing the downstream process to somehow signal the upstream process to start working.
而为了使其变成拉动式系统,还需要一种机制来使下游工序以某种信号通知上游工序开始工作。
While the Amazon is in generally good shape, in the upstream regions, such as Peru, there are many high density areas of people that inject threat into the system.
尽管亚马逊河保持一般的状况,但是在河流上游,例如秘鲁,人口密集的地区正在给河流系统增加威胁。
If debris in the water system continues to cause fouling, a strainer can be installed upstream of the backflow assembly.
如果水系统内的碎片继续造成污染,则需要在防回流阀总成的上游安装一个过滤器。
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