In this way, the tightness of tube-to-tube-sheetjoint of condenser will be tested effectively.
该方法可有效地对凝汽器管子管板的联接接头进行密封性检测。
2
The explosion expanding is a tube to tube-sheetjoint method that used powder or electric resistance silk(foil), which can produce ultra high pressure via explosion.
Although CRH, a maker of building materials, is heavily exposed to the construction downturn in America and Europe it has joint ventures in Turkey, China and India and a strong balance-sheet.