1、Some say it wears a hat to hide its blowhole and its bulbous forehead.
有些人說它戴一頂草帽，是為了隱藏呼吸孔和突出的前額。

2、The blowhole is formed from the gas inside the iron melt.
氣孔是由鐵液內部的氣體形成的。

3、Some practical examples of blowhole prevention and shrinkage-blowhole prevention were given.
還例舉了防止氣孔和氣縮孔的實例。

4、Analysed the factors for caused blowhole in hydraulic castings and action solved.
分析了液壓件鑄件產生氣孔缺陷的因素及解決的對策。

5、They are mammals and breathe through a blowhole on the top of their head.
他們是哺乳動物和呼吸，通過對氣孔上方的他們的頭部。

6、To spout moist air from the blowhole Used of a whale
噴水鯨魚通過鼻子噴射出滿是水的空氣

7、They have one blowhole on top of their head, it's like a human's nostrils.
它們頭上有一個氣孔，就像人的鼻孔一樣。

8、Molten iron containing excessive oxygen, hydrogen and nitrogen would promote the blowhole to form.
鐵液含有過量的氧、氫、氮都能促使鑄件產生氣孔缺陷。

blowhole翻譯