单词	double astrograh
释义	double astrograh 双筒天体照相仪
随便看	Roughness of road surface roughness of rock surface roughness of skin Roughness of skin roughness of surface Roughness of the background Roughness of the skin can be caused by bad diet roughness of the substrate roughness of the surface roughness of voice roughness on inner surface type roughness on tyre cavity roughness parameter roughness parameter of river network roughness parameters roughness ratio roughness resistance roughness Reynolds number roughness road roughness sample plate roughness scale roughness screen roughness sense roughness set roughness set theory