其他影响选坝的因素有道路, 鱼道, 船闸和筏道等.Other factors that may affect dam selection are roadways, fishway, locks, and log passages.鱼道进出口的选择:这是鱼道设计成败的关键.Choice of fishway intake is the key of success or failure....
I wouldn't want to dredge up the past.我不想重提往事。He managed to dredge up a smile.他勉强笑了笑.They have to dredge the canal so that ships can use it.他们须疏浚运河河道轮船方可通航....
In acoustics he studied the propagation of sound and musical consonance and dissonance.在声学中,他研究了声的传播和音乐的和谐与不和谐.The auditorium has comfortable seating and modern acoustics.礼堂里有舒适的座椅和现代化的音响设备.Master degree, majoring in ele...