high solidity cascade

... cascade solidity 叶栅稠度 high-solidity cascade 大稠度叶栅，大调度叶栅，稠叶栅 solidity coupled shaft 刚性联接轴 ...

cascade ... glacial cascade 冰瀑 high-solidity cascade 大调度叶栅, 稠叶栅 intra-nuclear cascade 核内串级(过程) ...