一方面，这个附加函数将产生一些流量。
On one hand, this additional function can cause a lot of traffic.
其中一种解决方案是将上下文数据附加到事件内容中，这会导致消息的体积增大，因而导致网络流量上升和性能下降。
One of the solutions is to attach the context data to the events content, which usually makes messages larger, which usually leads to increased network usage and performance degradation.
弯管流量计以其无附加压损、可测脏污介质、结构简单、成本低廉等特点逐渐引起人们的重视。
The elbow flowmeter has some characteristics, such as without additional pressure loss, operational suitability for measuring dirty fluids, simple structure, low cast etc.
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