数组元素后继子函数
array element successor function
双层连续组合梁
double continuous composite beam
双层组合桨
dual-impeller combination
double combined impeller
双层组合梁
Double composite beam
double-layer composite beam
双层组合启发式算法
two-layer combinatorial heuristic algorithm
双层组合套管固井技术
pipe-in-pipe casing string
双电测组合法
double electrical measurement combination