THORTn.节流阀Thorn.雷神(古代斯堪的纳维亚的雷声之神)thorium base alloy钍基合金Thoradorsal artery胸背动脉thoracopneumograph胸肺描记器thoriated tungsten敷钍钨thoria microsphere氧化钍微粒thoria gelatination氧化钍凝胶化Thoracodosal Artery胸背动脉thoracolumbar nerve胸腰神经Thoracolumbar joint胸腰关节Thories of XiangShu象数学