单词	vacuum degassed
释义	vacuum degassed 真空除气的
随便看	crystal conglomerate crystal constant crystal construction crystal control crystal control-additive crystal control circuit crystal-controled transmitter crystalcontrolled crystal controlled crystal engineering crystal epitaxy crystal erosion crystal ether crystal evolution crystal excitation crystal exciter crystal-controlled crystal controlled clock crystal-controlled clock crystal -controlled clock crystal controlled converter crystal-controlled converter crystal-controlled dc servomotor crystal controlled electronic stimulator crystal-controlled electronic stimulator