When these gases are introduced into the water filling pipe , thorough and effective way to effectively eliminate the use of these gases automatic air eliminator . 這些氣體是在管道充水時(shí)引入的，徹底而有效地排除這些氣體的有效方法是使用自動(dòng)空氣排除器。
An exhausting pipe is held in the inner side of the outer box of the box for exhausting the air between the outer box and the inner box upon filling heat insulating material into the box. 容納在箱體的外箱 內(nèi)側(cè)的排氣管，以用于向箱體填充隔熱材時(shí)排出內(nèi)箱和外箱之間的空氣。 ip.com
A new driven pill technology named air curtain draw out dry soil filling pile can reduce resistance of sinking pipe by drawing out soil from the pipe and installing air curtain on the out side of pip… 作者通過(guò)三組對(duì)比試驗(yàn)證明了這兩種方法的減阻效果是很明顯的，這樣就可以實(shí)現(xiàn)用小的樁工機(jī)械將套管沉到較大深度。