383 what is the feature of this cracker (cracking furnace, heating furnace, reactor, mixer, centrifuger, belt-conveyer) ?
383 what is the feature of this cracker (cracking furnace, heating furnace, reactor, mixer, centrifuger, belt-conveyer) ?
这台裂解器（裂解炉、加热炉、反应器、搅拌器、离心机、皮带输送机）的特点是什么？