SPDM船舶PDMSPabbr.自已推进的(=self-propelled)Sphincteroplasty of bladder neck膀胱颈括约肌成形术spun rayon machine printed cloth人丝机印布spheroid worm gear shaper cutter球面蜗杆插切刀sporozoite neutralizing antibody子孢子中和抗体spherical triangular coordinates球面三角坐标spherically symmetric black hole球对称黑洞Spline pair with rolling contact滚动花键副spherical simplex transformation超球体采样spherical cavity expansion model球形空穴膨胀理论spherical surface latticed shell球面网壳