polycondensation造句 31 Curing process is an essential step in the preparation of silicone resin coating, in which polycondensation of multi-silanol mainly occurred in a non-solvent system.英文造句marketing channelstreet childclickerscarcity valuejejunalto answer forilealroll-backrake up the pastgrey marketrectangular arrayunshieldedhexanenerve centerin-servicecubitushubble constantmensaplant layoutunsurprisedspeed meterDDRcholecysticsquare matrixinverse matrixfeasible regionelimination methodmare nostrumcoefficient matrix