服务数据包计划程序的质量。这个组件提供网络流量控制，包括流动速度和排列优先顺序的服务。
Quality of service Packet Scheduler. This component provides network traffic control, including rate-of-flow and prioritization services.
超声振动的引入降低金属流动阻力和流体压力的沿程损失，提高流动速度，提高了焊缝质量，也可有效解决厚板焊接困难。
The introduction of ultrasonic vibration reduces the metal flow resistance and fluid pressure loss, raises the flow speed, raises the welding quality and facilitates welding of thick plates.
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