复并立维管束
dicollateral bundle
dicollateral vascular bundle
外木质复并立维管束
ectoxylar bicollateral bundle
外筛复并立维管束
ectophloic bicollateral bundle
双并生维管束
dicollateral bundle
dicollateral vascular bundle
并立维管束
collateral vascular bundle
collateral bundle
并生维管束
collateral vascular bundle
collateral bundle
两木并立维管束
amphixylar collateral vascular bundle
双韧皮并立维管束
amphiphloic bicollateral vascular bundle
双立管双阀双出口型消火栓
double stack two-valve double outlet hydrant
双管双管板换热器
double tube double tube-plate heat exchanger
半再生立管
semi-regeneration stand pipe
垂直双立管系统
vertical double riser pipe system