单词	grate opening
释义	grate opening 炉篦空隙
随便看	Polar co-ordinate polar coordinate autocorrelation polar-coordinate autocorrelation polar coordinate chart polar coordinate curve polar coordinate diagram polar coordinate distribution polar coordinated robot polar coordinate indicating instrument polar coordinate polar-coordinate polar coordinate in the space polar coordinate manipulative polar coordinate manipulator polar coordinate measurement polar coordinate mehtod polar coordinate method Polar coordinate methods polar coordinate model polar coordinate navigation polar coordinate navigation system polar-coordinate navigation system polar coordinate oscilloscope tube polar coordinate paper polar coordinate-paper