词汇	heat protection system
释义	heat protection system 防热系统
随便看	trigonal pyramidal trigonal pyramidal class trigonal pyramidal coordination trigonal pyramidal structure trigonal pyramid of the first order trigonal pyramid of the second order trigonal reflector antenna trigonal rhombohedral class trigonal scalenohedral class trigonal squared paper trigonal subclass trigonal symmetry trigonal system trigonal tetartohed drism trigonal tetartohedral trigonal tetartohedral class trigonal tetartohedral hemimorphic class trigonal tetartohedral hemimorphism trigonal tetartohedral prism trigonal tetartohedrism trigonal trapezohedral calss trigonal trapezohedral class trigonal trapezohedron trigonal trisoctahedron trigonal trisotahedron