英德
有道
百度
谷歌
图片
维基
百科
孔洞 [kǒng dòng]
opening or hole in a utensil, etc.
- 真空冷冻及真空带式干燥产品的截面、表面和底面孔洞结构都有较大区别。
There are great differences of section, surface and underside structure between the samples of vacuum belt drying and freeze-drying. - 陕甘宁盆地中部奥陶系风化壳碳酸盐岩储集层属于古岩溶型，主要储集空间是溶蚀孔洞。
The carbonatite reservoir of Ordovician weathered crust in Shanganning Basin belongs to palaeokarst and its main reservoir spaces are denudation vugs. - 结果表明，随着电解液温度的升高，镁合金微弧氧化的起弧电压降低，陶瓷层厚度和膜层上孔洞的尺寸增大。
The result showed that, as the electrolyte temperature increased, the sparking voltage decreased, the ceramic coating thickness and diameters of cavities in ceramic coating increased.
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