短语词组短语sluse conchoid 斯吕塞蚌线conchoid bodies 甲状小体hyperbolic conchoid [数]双曲蚌线;双曲螺线conchoid d 蚌线elliptic conchoid [数]椭圆蚌线circular conchoid 圆蚌线parabolic conchoid [数]抛物蚌线 返回 conchoid