词汇	fuel supply pump
释义	fuel supply pump 燃油输送泵,燃料泵
随便看	principal dimensions of main building principal dimensions optimization principal direction principal direction of curvature principal direction of glide principal direction of oscillation principal directions principal disease principal disjunctive canonical form principal disjunctive normal form principal dispersion principal display panel principal distance principal distance error principal-distance error principal distance focusing principal distance of camera principal distance of photo principal distance of projector Principal Distribution Depot principal distribution function principal distribution parameter principal ditch principal divisor principal dock