protractor〔名词〕量角器,半圆规详细»
protractor〔名词〕分度规,量角器详细»
protractor〔名词〕量角器详细»
protractor〔名词〕量角器,延长者详细»
protractor〔名词〕量角器详细»
protractor〔名词〕量角器(延长者)详细»
protractor〔名词〕量角器,分角器,分度规详细»
protractor〔名词〕量角器详细»
protractor〔名词〕钳取器详细»
测角器angle meter;angle metre;angulometer;angulometre详细»