坡: slope段长度: segment length层段长度: interval length层流段长度: laminar flow extent; laminar-flow extent成型段长度: land length程序段长度: program segment size; segment length反应段长度: reaction length管段长度: length of pipe section; length of the pipe焊段长度: length of increment; lengthofincrement河段长度: length of reach缓和段长度: length of runoff活性段长度: active length加速段长度: transition distance进口段长度: entrance length进流段长度: length of entrance爬高段长度: climb片段长度: rflp起始段长度: entrance length切段长度: cut length区段长度: block length去流段长度: run length射孔段长度: perforation length试验段长度: working section length衰减段长度: attenuation distance梯段长度: go
