词汇	diameter ground
释义	diameter ground 根径
随便看	origin of target noise origin of technology origin of the armed forces origin of the atmosphere origin of the bohr effect origin of the capital principle origin of the concept origin of the continent origin of the dispute origin of the earth origin of the electrical installation origin of the elements origin of the ethnic group origin of the family origin of the fire origin of the geomagnetic field origin of the Great Wall origin of the hongshan station origin of the nuisance origin of the problem origin of the solar system Origin of the solar system origin of the solar system materials origin of the stand forest origin of the state