horizontal aim前大灯水平照射horizontaladj.水平的；横的n.水平线；水平面horizontal wraparound水平折行horizontal assignment[经] 层位转让horizontal earth rate水平地球速率horizontal drill stem水平钻柱horizontal photograph水平摄影horizontal separation[地质]水平错距[走向]滑距horizontal oscillator水平扫描振荡器horizontal resulatant水平合力Horizontal difference水平差分horizontal offsetting水平偏移