【建】 commercial catalyst
commodity; goods; merchandise; ware
【化】 commercial product
【经】 article; articles of merchandise; articles of trade
commercial articles; commodity; goods; merchandise; wares
activator; catalyzer
【计】 catalyst
【化】 catalyst; catalyzator; catalyzer
【医】 accelerant; catalyst; catalytic agent; catalyzator; catalyzer
contact substance