串接交换交换
tandem switching exchange
强奇异交换交换子代数
strongly singular maximal abelian self-adjoint sub
固體核心核子火箭
solid-core nuclear rocket
核交换反应
nuclear exchange reaction
核心型钢混凝土柱
core steel reinforced concrete columns
core steel reinforced concrete column CSRC
CSRC columns
球状核心核子法
spherodial-core nuclear method
OMC-S(操作维护中心—交换部分)
OMC-S(operation and maintenance center-swith
操作维护中心---交换部分
Operation and Maintenance Center-Switch part OMC-S