组合柱 coupled column ; built-up pillar ; [建] composite column ; built-up column

衬管管柱组合 liner assembly

钻柱组合 drill assembly ; drill string assembly

组合管柱 combined string

组合艏柱 plated stem

组合杆柱 built spar

组合支柱 built up strut

角钢和板组合柱 plate and angle column

弓形槽钢组合圆柱 phoenix column

梁柱组合节点 beam-to-column composite connection