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Terms containing 水文地理 测 量六分仪 | all forms | in specified order only
SubjectChineseEnglish
tech.水文地理测量六分仪sounding sextant
tech.水文地理测量六分仪surveying sextant
shipb.水文地理测量六分仪hydrographic sextant
tech.水文地理测量六分仪测深六分仪hydrographical sextant
tech.水文地理测量六分仪测深六分仪hydrographic sextant