英文關鍵字
adjustable
drill
drilling
electric
equipment
force
hole
industrial
machinery
machining
mandrel
mechanical
metal
metallic
metalworking
motion
penetrating
plate
processing
rotation
round
spinning
spiral
steel
swarf
vice
英文關鍵字
adjustable
drill
drilling
electric
equipment
force
hole
industrial
machinery
machining
mandrel
mechanical
metal
metallic
metalworking
motion
penetrating
plate
processing
rotation
round
spinning
spiral
steel
swarf
vice