air hole
['εəhəul]
气孔；河中不冰冻部分
同义词
参考例子
1.Penguins surface near an air hole in Antarctica, captured with a remote underwater camera.
在南极，企鹅们从水下浮上空气孔。这是由水下遥控照相机拍摄的。
2.To get more air hole ratio in the rare earth foam aluminium alloy, viscidity agent must be added.
添加合金增粘剂可得气孔率较大的稀土泡沫铝合金。
3.Bibcock is the fittings with face indispensable basin, choose bibcock to see exterior brightness above all, the hand is felt without burr, without air hole, without oxidation stain.
龙头是面盆必不可少的配件，挑选龙头首先看表面的光亮度，手摸无毛刺、无气孔、无氧化斑点。
英文解释
n.
1.a local region of low pressure or descending air that causes a plane to lose height suddenly
2.a hole that allows the passage of air
网络释义
air hole
气孔; 通气孔; 通风孔; 换气窗;
air-hole
通风孔，气孔;
air vent hole
空气孔; 氛围孔;
air exit hole
排气孔;
air bleed hole
排气孔;