层: I storey; tier; stratum位: place; location落差: drop head fall head; throw; ...位落差: digital divide数位落差: digital divide水位落差: water table drop河流水位落差: river fall水柱高度；水位落差: height of watera层位: a-horizon层位: a horizon; ahorizon; b-horizon b; c-horizon c; horizon落差: 1.(水位的差数) drop2.(蓄水高度) head3.fall head; [地质学] throw; drop height; falling head◇落差井 drop manhole; 落差流 [海洋学] hydraulic current; 落差 (压差) 流量计 head meter相位落后: phase laggingc层位: c c-horizong层位: g (gley) - horizon层，层位: horizon深层位: deelevel土层位: soil horizon低落差: low head吊索,落差: fall动落差: dynamic head; dynamichead静落差: static head净落差: effective head; net head落差；斜度: fall落差法: fall method落差计: head meter
