词汇	shell rack
释义	shell rack 炮弹架
随便看	absolute convex closed set absolute convex hull absolute convex hulls absolute convex set absolute conveyance absolute coordinate absolute coordinate data absolute coordinates absolute coordinate system absolute correction rule absolute correctness absolute correlation degree absolute cost absolute cost advantage absolute cost control absolute cost difference absolute cost of production absolute counter absolute counting absolute counting, absolute measurement absolute counting method absolute covariant absolute cover absolute cover amount absolute criteria