horizontal rib横肋horizontaladj.水平的；横的n.水平线；水平面horizontally projected jet bit水平射流钻头horizontal seismic coefficient水平地震系数horizontal-deflection plates水平偏转板horizontal trapezoid generator水平梯形波发生器horizontal parity-check code水平奇偶校验码horizontal interlace technique隔行扫描技术Horizontal push - shear test水平推剪试验horizontal convergence current水平会聚电流horizontal synchronizing pulse行同步脉冲,水平同步脉冲horizontal flow settling basin水平流沉淀池