Fibers with lengths much larger than the critical fiber length, normally, is larger than 15 times critical fiber length, are termed ___.

A、continuous fibersB、discontinuous fibersC、short fibersD、long fibers

答案解析

上一篇: 与其他商品广告相比，房地产广告具有较强的区域性和针对性。()

下一篇: 完整的广告周期从属于房地产产品的销售周期，包括开盘前期、开盘期、强销售期以及持续期等阶段。()