Then it began to act like yeast used in slow-fermenting lagers, settling to the bottom of the tank but not going dormant.
然后它们开始像用于慢性发酵的储藏啤酒的酵母一样活动，深入酿造箱底部，却又不休眠。
2
The tank is cylindrical with certain height, which can make fermenting liquor natural convection form top-down or bottom-up, is advantageous in temperature control.