endless tangent screw sextant
endless tangent screw sextant
[海运英汉词典]
endless tangent screw sextant无限正切螺丝型六分仪
是什么意思，endless tangent screw sextant的解释，endless tangent screw sextant的翻译
[航空英汉词典] endless tangent screw sextant
endless tangent screw sextant
[海运英汉词典]
endless tangent screw sextant是什么意思，endless tangent screw sextant的解释，endless tangent screw sextant的翻译
[航空英汉词典] endless tangent screw sextant