单词	羽中
释义	同FLY
随便看	involute coil involute core involute curve involute cylindri cal gear involuted involutedly involute function involute gear involute gear cutter involute gear teeth involute gear tooth involute geometry involute heart cam involute helical involute helicoid involute helicoid worm involute, involuted involute lamination involutely involute matrix involute of a circle involute of circle involute of pentagon involute of the circle involute profile