喷: time on the market; in seaso ...口: mouth截面: section; cross section; cros ...中心: centre; centrum; centrality; ...喷口截面: nozzle exhaust piston; nozzle exit喷口截面积: injection area截面中心: core of section; core of the section; kernel of section怜截面中心: stream cro section center; stream cross section center出口截面: outlet cross-section出口截面积: discharge area炉口截面积: throat area入口截面: inlet cross-section; mouth of entrance出口截面宽度: outlet width出口截面面积: discharge area出口截面气流: flow at the exhaust出口截面直径: exit diameter进口截面面积: intake area喷管出口截面: exit area ratio; nozzle exit section; tip of nozzle喷嘴出口截面: jet area表面中心: centre of surface浮面中心: center of floatation基准面中心: reference surface center晶面中心: centre of cell face开挖面中心: focal point of working曲面中心: center of surface; centre of area; centroid