The water increases the activity of the catalyst, and the isooctanol improves of the catalyst greatly.微量水分的存在对催化剂的活性有很大促进作用.The device which has high real - time character improves the reliability of the switch - disconn...
The road snaked through forested mountains, past the village of San Antonio.这条路在林木覆盖的山上蜿蜒前行,经过圣安东尼奥村。The road snaked through forested mountains.道路在林间蜿蜒延伸。The track snaked perilously upwards.这条小道蜿蜒而上,很危险。...