词汇	roadside pack
释义	roadside pack 巷侧石砌墙
随便看	projective Rieeati equations method projective scale projective scheme projective semimodule projective set Projective shadows projective silhouette projective space projective space of dimension n projective space over a scheme projective spaces projective special linear group projective special unitary group projective straight line projective string projective structure projective subcone projective subspace projective surface projective symplectic group projective synchronization projective system projective system of topological group Projective system of topological groups projective-teaching