... 通气孔 vent 通气孔,通气口 air vent 通气注入两用管air and filling pipe ...
2
?通气注入管
air and filling pipe通气注入管; 通气注入两用管..
双语例句
1
When these gases are introduced into the water fillingpipe, thorough and effective way to effectively eliminate the use of these gases automatic air eliminator.
这些气体是在管道充水时引入的，彻底而有效地排除这些气体的有效方法是使用自动空气排除器。
2
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.