Existing practical engineering examples also shown that the back-slope settling basin is of good effects.
工程实例也表明了逆坡沉沙池具有良好的沉淀效率及冲洗效果。
2
Judgmental observers of this pattern might simply blame lack of willpower—and it is certainly true that willpower in prodigious quantities is needed to climb back up the slope to svelteness.
While I struck it on the box, again and again, and then fumbled for a better match, gasoline vapors were flowing invisibly back down the slope toward where I'd left the can.