| 释义 |
气孔qìkǒng
1.植物体表皮细胞之间的小孔,是植物体和外界交换气体的出入口。主要分布在叶子的背面,用显微镜才能看见。{stomate; stoma, one of the minute pores mainly in the epidermis of a leaf through which air and water vapour pass, visible only when observed through a microscope}
2.same as气门{qìmén}①。
3.铸件内部的孔洞,是铸造过程中产生的或进入的空气造成的。气孔是铸件的一种缺陷。{gas hole; pores in a piece of casting resulting from air let in or produced in the process of casting, considered as a flaw;}也叫also气眼{qìyǎn}。
4.建筑物或其他物体上用来使空气或其他气体通过的孔。{air hole; holes in a building or object for ventilation;}也叫also气眼{qìyǎn}。 |