气孔

They have one blowhole on top of their head, it's like a human's nostrils.

它们头上有一个气孔，就像人的鼻孔一样。

Blowhole is a kind of casting defects,the reasons of which are most difficult to find out.

气孔是最难分析其形成原因和最难找出防治方法的铸件缺陷。

The area around the blowhole is also particularly

通过周围的气孔也是特别

They make these sounds by rapidly opening and closing their blowhole.

它们用快速开闭气孔的方式来发出这些声音。

After summarizing some tests having been done by others, it is found that MgO plays an important role in forming surface blowhole in ductile iron casting.

通过对前人所做皮下气孔试验的总结，认为MgO的存在是产生这一缺陷的关键因素，并就相关现象进行了理论分析。

The blowhole is one of the most common casting defectives in the casting process, the type of this defective is so much, and its producing mechanism is various.

中文摘要：气孔是铸件在铸造过程中最常见的缺陷之一，该缺陷种类繁多，产生的机理各不相同，属于铸造界的一个技术难题，颇具研究价值。

Every so often, the dolphin must rise to the surface and breathe through IT s blowhole.

不时地，海豚必须游到海面上用气孔呼吸。

He spouted a great fountain from his blowhole into the air.

它从气孔中喷气，在空中形成喷泉。

The effects of foaming agents and additives on borosilicate foam glasses have been investigated.

用粉末烧结法制备了硼硅酸盐泡沫玻璃，研究了发泡剂与添加剂对气孔结构和性能的影响。

Variation in discrimination against 13C during photosynthesis is due to both stomatal diffusion limitations and enzymatic carboxylase processes.

植物对13C和12C分辨率的差别主要是由于光合作用过程中CO2经气孔扩散分差和酶羧化过程引起的。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！