求翻译：这时低速床面有大量从高速床抛过来堆积的细颗粒，只要开启低速床调风门，细颗粒轻度沸腾，由于膨胀空隙率小，比重大，细颗粒从四个洞口流化蠕动。下沉至低位高速床，完成床内颗粒流化循环，且将被埋管吸热降温后的颗粒渗入高速床混和，吸收热量后又回到低速床，完成高速床内热量转移。是什么意思？

At this time a large number of low-bed thrown over the bed from the high accumulation of fine particles, as long as the bed on low throttle adjustment, fine-grained mild boiling, due to expansion of porosity is small, heavy, fine particles streaming from the four hole peristalsis. Sinking to the low

When the low-speed bed from a large number of high-speed bed piled up from behind a fine granulated, so long as low-speed bed-throttle to a fine granulated light boiling, as a result, inflation rate of less than significant gaps, fine particulates from four hole mumbled fluid. High-speed bed, sinkin

By now the low speed surface of bed had massively throws the stack from the high rapidity the fine-grain, so long as opened the low rapidity to adjust the air throttle, fine-grain mild ebullition, because the inflation percentage of voids was small, the proportion was big, the fine-grain fluidized t

Low bed has a large number of fine particles from high speed stacking bed parabolic, as long as the open low-speed air damper, fine-grained mild boiling, due to the expansion of void smaller than major, of fine particles from a four-hole flow creep. Sinking to a low speed, complete particle fluidize

Low bed has a large number of fine particles from high speed stacking bed parabolic, as long as the open low-speed air damper, fine-grained mild boiling, due to the expansion of void smaller than major, of fine particles from a four-hole flow creep. Sinking to a low speed, complete particle fluidize