By the structure of the supporting body, {HEAD ~ the operation} of {TAIL ~ contact} with container in the wick structure is simple and stable 
By the structure of the supporting body , { HEAD ~ the operation } of { TAIL ~ contact } with container in the wick structure is simple and stable
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH