复式梯形断面
duplex trapezoidal section
水平钢支撑
Horizontal steelwork bracing
水平钢化炉
horizontal tempering furnace
水平浮动切边模
the horizontal floating mold
水平分支井
multilateral well
horizontal multilateral well
horizontal branch well
flat branch well
水平分异理论
Horizontal differentition theory
水平分型脱箱射压造型机
horizontal parting slip flask shoot-squeeze moulding machine