真的从你口中听到不再爱我，是如此地不知所措。你带走了我的一切，剩下的只是一个空空的壳和一颗破碎的心。
Really hear from your mouth no longer love me, is so overwhelmed. You take everything I have, the rest is just an empty shell and a broken heart.
设计者可在泵壳内放置喉道补心以降低在填料上的压力(图)。
The designer may lower the pressure on the packing by placing a throat bushing in the pump case (Figure).
模拟计算结果表明：与其他领域应用的旋风分离器相比，五边形入口、三心大涡壳式旋风预热器内筒入口附近次级流动相对较弱；
The results of the simulation indicate:compared with cyclone in other domain, the secondary flow of the preheating cyclone with pentagonal inlet and three core volute structure is relatively weaker.
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