The deformative charateristics of cementite of white cast iron during the rolling process was investigated.研究了惨碳体在白口铸铁轧制变形过程中的变化特点.A mixture of ferrite cementite forming distinct layers or bands in slowly cooled carbon s...
在涂布纸中被广泛应用, 其使用量仅次于白土.In coated paper is widely used, second only to the clay.以物质A为反应物,白土为脱色物质,研究用反应-吸附的方法提高焦化柴油的质量.A coking gas oil was treated by clay refining processs in laboratory.漂洗是活性白土湿法生产工艺中的重要环节.Rinse is an imp...
When you see the bibcock, isn't enough in drops off?当你看到龙头在滴时, 是不是够关上 呢 ?Bibcock coping has private aircraft parking area even.龙头顶部甚至有私人停机坪.Advance pasturage industrialization process energetically, the radiate that...
used to的近义词有:used to, would。下面这两个词均含"过去惯常,过去总是"的含义:used to:指客观地表示过去的习惯,既可是过去经常发生的动作,又可是过去一向存在的状态,比would通俗,往往含今昔感。would:指过去经常发生的行为,主观感情色彩较浓,只表过去惯常行为,既不表状态也不表持续动作。不含"过去如此,现在不再这样"的意味。...