单词 octamethylcyclotetrasiloxane 释义 octamethylcyclotetrasiloxane Chem.[f. octa- + methyl + cyclo- + tetra- + siloxane.]A colourless oily liquid that is a cyclic tetramer, [(CH3)2SiO]4, and an intermediate in the manufacture of many silicones.1946M. J....