Expound magnesium metallurgy with ferrosilicon process and calcium metallurgy with aluminothermic process by contracting technological conditions.通过工艺条件对比分析,阐明了硅热法炼镁与铝热法炼钙两者工艺过程、设备条件基本相同....
翻身跃过栅栏后，他便朝斜穿围场的方向走去。Vaulting the stile, he headed diagonally across the paddock.她用手一撑跃过栅栏门沿着小路跑去。She vaulted over the gate and ran up the path.贼纵身跃过篱笆逃走了.The thief jumped himself over a fence and escaped....
Collet aimed the binoculars up the hill and adjusted image intensifier dials.科莱把望远镜对着小山丘,调节着镜筒.The intensifier tubes use the photoelectric effect.无源像增强管使用光电效应.Purpose: Used in X - ray image intensifier , flasher, analyti...