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.special-char { font-family: "Helvetica Neue", Helvetica, Arial, sans-serif!important;vertical-align: baseline;font-style: normal;font-weight: 300;} 氮化硅陶瓷加热元件采用高性能氮化硅陶瓷制成，具有耐高温、高机械强度、抗热震性强、…