短語詞組短語helical mixing blade 螺旋攪拌葉片helical screw blade 螺旋式螺旋葉片continuous band helical blade 連續(xù)帶狀螺旋葉片helical blade compressor 螺旋葉片壓縮機(jī)variable pitch helical blade 變螺距螺旋面helical blade plate 螺旋葉片帶板齒continuous integral helical blade 連續(xù)整體螺旋葉片helical blade drawing machine 螺旋葉片拉伸機(jī) 返回 helical blade