The control system serves many functions of auto - operation, manual operation, auto - test valves, autoalarm and emergency stop.该控制系统能实现造气工段的自动运行 、 手动操作 、 阀位自动检测 、 自动报警和紧急停炉等功能....
The whole city was muffled by this fast - thickening mantle.整个城市都被这场迅速加厚的大雪包裹了起来.Already , at four o'clock, the sombre hue of night was thickening the air.4点钟时, 空中已是一片夜色朦胧.The use of a thickening agent admixture red...
Objective : To observe the clinical effects of Pingxin decoction for viral myocarditis.目的: 观察平心汤治疗病毒性心肌炎的临床疗效.Two types of viral symmetry have been recognized, the cubical symmetry and helical symmetry.已经证实病毒有两种对称型, 即立体对...