成品层的经常性的变化致使完整的MRP的运行不稳定。
Frequent changes at finished product level can render the complete MRP run unstable.
涡流可能会导致泵运行不稳定、振动、跳动和严重的机械破坏。
Vortexing Can cause unstable pump operation, vibration, pulsation and severe mechanical damage.
众所周知，发动机怠速时不适当控制会增加燃油消耗、排放恶化、以及运行不稳定。
It is well known that inappropriate idling control increases fuel consumption and pollutant emissions, and also compromises stability.
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