polyester needle-felt
常見例句
- It possess not only the advantage of regular needle-spun felt but also the filtering of much better acid&alkaline than polyester.
它不僅具有普通針刺氈的一些優(yōu)點，還具有比滌綸更加優(yōu)異的耐酸、耐堿特點的一種濾料。
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