离岸远些，茂盛的浮游生物在海水中形成碧绿色的涡状形，这就是海洋生物生产力触发致命喷发的证据。
Offshore, a phytoplankton bloom forms a bright green swirl in the ocean water, proof of the productivity that triggers the deadly eruptions.
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.
离心泵和混流泵常见的压水室是螺旋形的，称为涡壳。
Centrifugal and mixed flow pumps pressurized water chamber is a common spiral-shaped, called the volute.
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