Dewatering and desalting in electric dewatering plant in oil refinery.炼油厂电脱盐装置的脱水、脱盐.Refinery and petrochemical operation produce a variety of byproduct gases.炼油厂和石油化工生产中生成各种副产气体.They have to put up with a giant oil refi...
Only by overcoming our weaknesses can we advance without any encumbrance; only by uniting ourselves in our struggle can we be invincible.克服缺点才能轻装前进, 团结战斗才能无往不胜.Without doubt , the national bourgeoisie tends to vacillate ...