COMB spiral or helical 表示“螺旋的”
helicograph
helico-axial螺旋轴流式
helico-centrifugal pump斜齿齿轮泵
helico-CT imaging螺旋CT
helico-axial multiphase pump螺旋轴流式混抽泵
helico-axial multi-phase pump螺旋轴流式多相混抽泵
COMB（） COMBspiral or helical 表示“螺旋的”