用rely mainly造句子，“rely mainly”造句

Aerosol-type air refreshing agent is emerging in recent years, the aroma regulation technologies rely mainly on experience accumulating, reports in this area were few.

They rely mainly on woodpeckers, and none is a more expert carpenter than the black woodpecker of northern Europe.

Lever-type safety valve lever to rely mainly on the weight of the work force, but the lever-type safety valve size often limit the choice of scope.