height of sighting line是什么意思，height of sighting line的翻译，height of sighting line音标、读音、用法和例句

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height of sighting line是什么意思，height of sighting line的翻译，height of sighting line音标、读音、用法和例句_沉淀汉英词典

height of sighting line

基本解释

专业释义

地球科学