filter cone是什么意思

用法例句

The specific filtering funnels made from high-quality plastics are capable of meeting the need of purification technology and adaptable to gold mine's production scale which have been used in many mines and factories.

特制的优质塑料过滤斗可以满足提纯工艺的需要 ,适应黄金矿山的生产规模 ,已在多家厂矿企业应用。