单词	butyl ketone
释义	butyl ketone 5-壬酮
随便看	involute gearing involute gear machine involute gear oil Involute gear profile involute gear pump involute gears Involute gears with asymmetric teeth involute gear teeth involute gear tooth involute gear tooth surface involute geometry involute heart cam involute helical involute helical cylindrical gear involute helical gear involute helical gears involute helical surface involute helicoid involute helicoidal surface involute helicoids double-enveloping involute helicoid worm Involute helix gear involute inspect instrument involute interference point Involute interpolation