短語(yǔ)詞組短語(yǔ)projectile X -ray detection 入射離子X(jué)射線的探測(cè)X -ray detection instrument 射線探測(cè)儀hard x -ray detection 空間硬x射線探測(cè)x -ray tv detection 射線電眡檢測(cè) 返回 x-ray detection