... air conditionercess hole 余隙孔 air outlet hole 出气孔 combustion air metering hole 燃烧空气计量孔 ...
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奶嘴外壳- 奶嘴不伤害皮肤有很大的出气孔。
Pacifier shield – allows plenty of air to reach baby's sensitive skin.
不过，如果你把所有的人醒来，如何房子是不可能作出气孔做什么？
However, if you put all the people wake up, how the house is not possible to make an air hole to do?
按发生机理分类，铸件气孔分为裹入气孔、侵入气孔、析出气孔和反应气孔四类。
Ac cording to their formation mechanisms, the blowhole defects are divided into four sorts including wrapped-in blowhole, penetrating blowhole, separating blowhole and reaction blowhole.
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