Test results show that it has the advantages of good insulation effect, long life, low cost and simple making process.It is the substitutor of import insulating sleeve and has widely applied prospect.
该冒口套
有保温效果好，寿命长，价廉，制作
单，是进口冒口套的替代品，有推广应用价值。
Test results show that it has the advantages of good insulation effect, long life, low cost and simple making process.It is the substitutor of import insulating sleeve and has widely applied prospect.
该冒口套有保温效果好，寿命长，价廉，制作单，是进口冒口套的替代品，有推广应用价值。
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