extensionn.延长;伸展;延期;扩充;观念发展;增强n.电话分机;特别课程n.[计]文件名
Extension of an Inequality Guess一个不等式猜想的推广
extension arbor for drill holder钻夹头接长杆
extension of nerve centre system中枢神经系统延伸
extension of insurance liability扩展保险责任
extension hyper graph data model扩展超图数据模型
extension of module homomorphism模同态延拓
extension arbor for shell reamer套式铰刀接长杆
extension of time for completion完工时间的延长