本文介绍了一种新型高效防结露袋除尘器.This paper states a new bag filter with prevention of moisture condensation.湿球最大温度应为38℃且不结露.The maximum wet - bulb temperature shall be 38 ℃ with no condensation.周围温度-20~70℃但不可结冰或结露.Ambient temp. witho...
我们相信在取消种族隔离的学校就读的学生会有更宽容的态度。We believe that pupils of integrated schools will have more tolerant attitudes.巴西恢复了与南非的外交关系，以示对其采取措施结束种族隔离的正式认可。Brazil normalised its diplomatic relations with South Africa in recognition of ...