In a casing, {HEAD ~ two fixed scroll members} are provided on {TAIL ~ the axis} of the casing, and an electric motor is provided between the fixed scroll members 
are provided on
In a casing , { HEAD ~ two fixed scroll members } are provided on { TAIL ~ the axis } of the casing , and an electric motor is provided between the fixed scroll members
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH