发布时间:2025-02-07 18:19:49
有等级。根据查询中国供应商网得知市场上的日本广濑无纺布的等级可分为四个等级:1、SS级(特级)。
2、S级(一级,全新布料)。
3、A级(中级,91%全新料,9%再生料)。
4、B级(差级,全都是再生料)。
谁会用家用电风扇改造风力发电机能轻松发出高压电220300多伏
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