English translation for "observation perforation"

观测孔眼

Related Translations:

perinatal intestinal perforation:  围生期肠穿孔

orbit observation:  轨道观测

ground observation:  地面观察

meridian observation:  中天观测子午线观测

runway observation:  跑道气象观测

project observation:  项目检查

direction observation:  方向观测

observation place:  观察位置

participant observation:  (社会学家等通过参加研究对象的活动进行的)现场观察研究。

observation instrument:  观测仪器

Similar Words：

"observation of volcanoes" English translation, "observation opening" English translation, "observation pairs" English translation, "observation panel" English translation, "observation parallax" English translation, "observation period" English translation, "observation pillar" English translation, "observation pipe" English translation, "observation piston" English translation, "observation place" English translation